125398630 has 64 divisors (see below), whose sum is σ = 275208192. Its totient is φ = 40158720.

The previous prime is 125398619. The next prime is 125398631. The reversal of 125398630 is 36893521.

It is a self number, because there is not a number n which added to its sum of digits gives 125398630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125398631) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 198415 + ... + 199045.

It is an arithmetic number, because the mean of its divisors is an integer number (4300128).

Almost surely, 2^125398630 is an apocalyptic number.

125398630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125398630 is an abundant number, since it is smaller than the sum of its proper divisors (149809562).

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

125398630 is a wasteful number, since it uses less digits than its factorization.

125398630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 125398630 is about 11198.1529727005. The cubic root of 125398630 is about 500.5309426669.

The spelling of 125398630 in words is "one hundred twenty-five million, three hundred ninety-eight thousand, six hundred thirty".