125126262740 has 24 divisors (see below), whose sum is σ = 263063446632. Its totient is φ = 49993687040.

The previous prime is 125126262733. The next prime is 125126262769. The reversal of 125126262740 is 47262621521.

It can be written as a sum of positive squares in 4 ways, for example, as 18137086276 + 106989176464 = 134674^2 + 327092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125126262694 and 125126262703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533069 + ... + 3568308.

It is an arithmetic number, because the mean of its divisors is an integer number (10960976943).

Almost surely, 2^125126262740 is an apocalyptic number.

125126262740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125126262740 is an abundant number, since it is smaller than the sum of its proper divisors (137937183892).

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

125126262740 is a wasteful number, since it uses less digits than its factorization.

125126262740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102267 (or 7102265 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 125126262740 in words is "one hundred twenty-five billion, one hundred twenty-six million, two hundred sixty-two thousand, seven hundred forty".