125897280 has 56 divisors (see below), whose sum is σ = 399726912. Its totient is φ = 33572352.

The previous prime is 125897279. The next prime is 125897281. The reversal of 125897280 is 82798521.

It is an interprime number because it is at equal distance from previous prime (125897279) and next prime (125897281).

It is a super-2 number, since 2×125897280² = 31700250222796800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125897281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64612 + ... + 66531.

Almost surely, 2^125897280 is an apocalyptic number.

125897280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125897280 is an abundant number, since it is smaller than the sum of its proper divisors (273829632).

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

125897280 is a wasteful number, since it uses less digits than its factorization.

125897280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131163 (or 131153 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 125897280 is about 11220.3957149470. The cubic root of 125897280 is about 501.1935220766.

The spelling of 125897280 in words is "one hundred twenty-five million, eight hundred ninety-seven thousand, two hundred eighty".