125404480 has 28 divisors (see below), whose sum is σ = 298620180. Its totient is φ = 50161664.

The previous prime is 125404463. The next prime is 125404481. The reversal of 125404480 is 84404521.

It can be written as a sum of positive squares in 2 ways, for example, as 39137536 + 86266944 = 6256^2 + 9288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125404481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195625 + ... + 196264.

Almost surely, 2^125404480 is an apocalyptic number.

125404480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125404480 is an abundant number, since it is smaller than the sum of its proper divisors (173215700).

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

125404480 is an equidigital number, since it uses as much as digits as its factorization.

125404480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391906 (or 391896 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 125404480 is about 11198.4141734444. The cubic root of 125404480 is about 500.5387260068.

It can be divided in two parts, 12540 and 4480, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 125404480 in words is "one hundred twenty-five million, four hundred four thousand, four hundred eighty".