125490830 has 16 divisors (see below), whose sum is σ = 233673120. Its totient is φ = 48465312.

The previous prime is 125490811. The next prime is 125490851. The reversal of 125490830 is 38094521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216074 + ... + 216653.

It is an arithmetic number, because the mean of its divisors is an integer number (14604570).

Almost surely, 2^125490830 is an apocalyptic number.

125490830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125490830 is a deficient number, since it is larger than the sum of its proper divisors (108182290).

125490830 is a wasteful number, since it uses less digits than its factorization.

125490830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432763.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 125490830 is about 11202.2689665978. The cubic root of 125490830 is about 500.6535852803.

The spelling of 125490830 in words is "one hundred twenty-five million, four hundred ninety thousand, eight hundred thirty".