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122020123 = 3114926417
BaseRepresentation
bin1110100010111…
…10000100011011
322111121021010211
413101132010123
5222214120443
620035151551
73011103541
oct721360433
9274537124
10122020123
1162971585
1234a455b7
131c383574
14122c3d91
15aaa419d
hex745e11b

122020123 has 8 divisors (see below), whose sum is σ = 126806400. Its totient is φ = 117287040.

The previous prime is 122020097. The next prime is 122020127. The reversal of 122020123 is 321020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122020123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8590 + ... + 17827.

It is an arithmetic number, because the mean of its divisors is an integer number (15850800).

Almost surely, 2122020123 is an apocalyptic number.

122020123 is a deficient number, since it is larger than the sum of its proper divisors (4786277).

122020123 is a wasteful number, since it uses less digits than its factorization.

122020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26597.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122020123 is about 11046.2719050366. The cubic root of 122020123 is about 495.9948336155.

Adding to 122020123 its reverse (321020221), we get a palindrome (443040344).

The spelling of 122020123 in words is "one hundred twenty-two million, twenty thousand, one hundred twenty-three".

Divisors: 1 31 149 4619 26417 818927 3936133 122020123