125440692620 has 24 divisors (see below), whose sum is σ = 263437516944. Its totient is φ = 50173979456.

The previous prime is 125440692557. The next prime is 125440692697. The reversal of 125440692620 is 26296044521.

It is a super-4 number, since 4×125440692620⁴ (a number of 45 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 344567 + ... + 607953.

It is an arithmetic number, because the mean of its divisors is an integer number (10976563206).

Almost surely, 2^125440692620 is an apocalyptic number.

125440692620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125440692620 is an abundant number, since it is smaller than the sum of its proper divisors (137996824324).

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

125440692620 is a wasteful number, since it uses less digits than its factorization.

125440692620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287209 (or 287207 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 125440692620 in words is "one hundred twenty-five billion, four hundred forty million, six hundred ninety-two thousand, six hundred twenty".