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122140630 = 2512214063
BaseRepresentation
bin1110100011110…
…11011111010110
322111211101110001
413101323133112
5222232000010
620041521514
73012115063
oct721733726
9274741401
10122140630
1162a44077
1234aa329a
131c3c6381
1412315c6a
15aac9c3a
hex747b7d6

122140630 has 8 divisors (see below), whose sum is σ = 219853152. Its totient is φ = 48856248.

The previous prime is 122140621. The next prime is 122140643. The reversal of 122140630 is 36041221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122140598 and 122140607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6107022 + ... + 6107041.

It is an arithmetic number, because the mean of its divisors is an integer number (27481644).

Almost surely, 2122140630 is an apocalyptic number.

122140630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122140630 is a deficient number, since it is larger than the sum of its proper divisors (97712522).

122140630 is a wasteful number, since it uses less digits than its factorization.

122140630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214070.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 122140630 is about 11051.7252046909. The cubic root of 122140630 is about 496.1580612925.

Adding to 122140630 its reverse (36041221), we get a palindrome (158181851).

The spelling of 122140630 in words is "one hundred twenty-two million, one hundred forty thousand, six hundred thirty".

Divisors: 1 2 5 10 12214063 24428126 61070315 122140630