124999930 has 16 divisors (see below), whose sum is σ = 245454624. Its totient is φ = 45454480.

The previous prime is 124999921. The next prime is 124999933. The reversal of 124999930 is 39999421.

It is not an unprimeable number, because it can be changed into a prime (124999933) 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 7 ways as a sum of consecutive naturals, for example, 568072 + ... + 568291.

It is an arithmetic number, because the mean of its divisors is an integer number (15340914).

Almost surely, 2^124999930 is an apocalyptic number.

124999930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124999930 is a deficient number, since it is larger than the sum of its proper divisors (120454694).

124999930 is a wasteful number, since it uses less digits than its factorization.

124999930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136381.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 124999930 is about 11180.3367570033. The cubic root of 124999930 is about 499.9999066666. Note that the first 4 decimals are identical.

The spelling of 124999930 in words is "one hundred twenty-four million, nine hundred ninety-nine thousand, nine hundred thirty".