125409284 has 48 divisors (see below), whose sum is σ = 294677376. Its totient is φ = 45100800.

The previous prime is 125409269. The next prime is 125409293. The reversal of 125409284 is 482904521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11657 + ... + 19664.

It is an arithmetic number, because the mean of its divisors is an integer number (6139112).

Almost surely, 2^125409284 is an apocalyptic number.

125409284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125409284 is an abundant number, since it is smaller than the sum of its proper divisors (169268092).

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

125409284 is a wasteful number, since it uses less digits than its factorization.

125409284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31356 (or 31354 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 125409284 is about 11198.6286660466. The cubic root of 125409284 is about 500.5451174779.

The spelling of 125409284 in words is "one hundred twenty-five million, four hundred nine thousand, two hundred eighty-four".