124649740 has 12 divisors (see below), whose sum is σ = 261764496. Its totient is φ = 49859888.

The previous prime is 124649731. The next prime is 124649761. The reversal of 124649740 is 47946421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124649740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3116224 + ... + 3116263.

It is an arithmetic number, because the mean of its divisors is an integer number (21813708).

Almost surely, 2^124649740 is an apocalyptic number.

124649740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124649740 is an abundant number, since it is smaller than the sum of its proper divisors (137114756).

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

124649740 is a wasteful number, since it uses less digits than its factorization.

124649740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232496 (or 6232494 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 124649740 is about 11164.6647956846. The cubic root of 124649740 is about 499.5325497834.

The spelling of 124649740 in words is "one hundred twenty-four million, six hundred forty-nine thousand, seven hundred forty".