123560106920 has 16 divisors (see below), whose sum is σ = 278010240660. Its totient is φ = 49424042752.

The previous prime is 123560106919. The next prime is 123560107031. The reversal of 123560106920 is 29601065321.

It can be written as a sum of positive squares in 2 ways, for example, as 110858366116 + 12701740804 = 332954^2 + 112702^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544501297 + ... + 1544501376.

Almost surely, 2^123560106920 is an apocalyptic number.

123560106920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123560106920 is an abundant number, since it is smaller than the sum of its proper divisors (154450133740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123560106920 is a wasteful number, since it uses less digits than its factorization.

123560106920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089002684 (or 3089002680 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 123560106920 in words is "one hundred twenty-three billion, five hundred sixty million, one hundred six thousand, nine hundred twenty".