125415432 has 32 divisors (see below), whose sum is σ = 348376800. Its totient is φ = 41805072.

The previous prime is 125415431. The next prime is 125415439. The reversal of 125415432 is 234514521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 125415396 and 125415405.

It is not an unprimeable number, because it can be changed into a prime (125415431) 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, 290098 + ... + 290529.

It is an arithmetic number, because the mean of its divisors is an integer number (10886775).

Almost surely, 2^125415432 is an apocalyptic number.

125415432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125415432 is an abundant number, since it is smaller than the sum of its proper divisors (222961368).

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

125415432 is a wasteful number, since it uses less digits than its factorization.

125415432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580642 (or 580632 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 125415432 is about 11198.9031605778. The cubic root of 125415432 is about 500.5532968327.

Adding to 125415432 its reverse (234514521), we get a palindrome (359929953).

The spelling of 125415432 in words is "one hundred twenty-five million, four hundred fifteen thousand, four hundred thirty-two".