125403432 has 192 divisors, whose sum is σ = 408576000. Its totient is φ = 31363200.

The previous prime is 125403391. The next prime is 125403451. The reversal of 125403432 is 234304521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 630069 + ... + 630267.

It is an arithmetic number, because the mean of its divisors is an integer number (2128000).

Almost surely, 2^125403432 is an apocalyptic number.

125403432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125403432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204288000).

125403432 is an abundant number, since it is smaller than the sum of its proper divisors (283172568).

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

125403432 is a wasteful number, since it uses less digits than its factorization.

125403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 125403432 is about 11198.3673810069. The cubic root of 125403432 is about 500.5373316758.

Adding to 125403432 its reverse (234304521), we get a palindrome (359707953).

The spelling of 125403432 in words is "one hundred twenty-five million, four hundred three thousand, four hundred thirty-two".