125442322540 has 96 divisors (see below), whose sum is σ = 274381450560. Its totient is φ = 48146006016.

The previous prime is 125442322513. The next prime is 125442322543. The reversal of 125442322540 is 45223244521.

It is a junction number, because it is equal to n+sod(n) for n = 125442322496 and 125442322505.

It is not an unprimeable number, because it can be changed into a prime (125442322543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8348074 + ... + 8363086.

It is an arithmetic number, because the mean of its divisors is an integer number (2858140110).

Almost surely, 2^125442322540 is an apocalyptic number.

125442322540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125442322540 is an abundant number, since it is smaller than the sum of its proper divisors (148939128020).

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

125442322540 is a wasteful number, since it uses less digits than its factorization.

125442322540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15251 (or 15249 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 125442322540 in words is "one hundred twenty-five billion, four hundred forty-two million, three hundred twenty-two thousand, five hundred forty".