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122030115 = 3529536779
BaseRepresentation
bin1110100011000…
…00100000100011
322111121202211220
413101200200203
5222214430430
620035310123
73011144634
oct721404043
9274552756
10122030115
1162979039
1234a4b343
131c387c8c
14122c788b
15aaa7110
hex7460823

122030115 has 64 divisors (see below), whose sum is σ = 211507200. Its totient is φ = 59963904.

The previous prime is 122030099. The next prime is 122030143. The reversal of 122030115 is 511030221.

It is not a de Polignac number, because 122030115 - 24 = 122030099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 122030094 and 122030103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1544646 + ... + 1544724.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2122030115 is an apocalyptic number.

122030115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122030115 is a deficient number, since it is larger than the sum of its proper divisors (89477085).

122030115 is a wasteful number, since it uses less digits than its factorization.

122030115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 122030115 is about 11046.7241750666. The cubic root of 122030115 is about 496.0083719429.

Adding to 122030115 its reverse (511030221), we get a palindrome (633060336).

The spelling of 122030115 in words is "one hundred twenty-two million, thirty thousand, one hundred fifteen".

Divisors: 1 3 5 15 29 53 67 79 87 145 159 201 237 265 335 395 435 795 1005 1185 1537 1943 2291 3551 4187 4611 5293 5829 6873 7685 9715 10653 11455 12561 15879 17755 20935 23055 26465 29145 34365 53265 62805 79395 102979 121423 153497 280529 308937 364269 460491 514895 607115 767485 841587 1402645 1544685 1821345 2302455 4207935 8135341 24406023 40676705 122030115