125584490 has 32 divisors (see below), whose sum is σ = 238835520. Its totient is φ = 47412864.

The previous prime is 125584477. The next prime is 125584493. The reversal of 125584490 is 94485521.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (125584493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57254 + ... + 59406.

It is an arithmetic number, because the mean of its divisors is an integer number (7463610).

Almost surely, 2^125584490 is an apocalyptic number.

125584490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125584490 is a deficient number, since it is larger than the sum of its proper divisors (113251030).

125584490 is a wasteful number, since it uses less digits than its factorization.

125584490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 125584490 is about 11206.4485899860. The cubic root of 125584490 is about 500.7781084663.

The spelling of 125584490 in words is "one hundred twenty-five million, five hundred eighty-four thousand, four hundred ninety".