125402464 has 72 divisors (see below), whose sum is σ = 274496040. Its totient is φ = 56348160.

The previous prime is 125402443. The next prime is 125402483. The reversal of 125402464 is 464204521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538092 + ... + 538324.

It is an arithmetic number, because the mean of its divisors is an integer number (3812445).

Almost surely, 2^125402464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125402464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137248020).

125402464 is an abundant number, since it is smaller than the sum of its proper divisors (149093576).

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

125402464 is a wasteful number, since it uses less digits than its factorization.

125402464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 125402464 is about 11198.3241603376. The cubic root of 125402464 is about 500.5360437754.

Adding to 125402464 its reverse (464204521), we get a palindrome (589606985).

The spelling of 125402464 in words is "one hundred twenty-five million, four hundred two thousand, four hundred sixty-four".