124666690 has 32 divisors (see below), whose sum is σ = 231367104. Its totient is φ = 48329280.

The previous prime is 124666681. The next prime is 124666697. The reversal of 124666690 is 96666421.

It is a super-2 number, since 2×124666690² = 31083567191112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124666697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127905 + ... + 128875.

It is an arithmetic number, because the mean of its divisors is an integer number (7230222).

Almost surely, 2^124666690 is an apocalyptic number.

124666690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124666690 is a deficient number, since it is larger than the sum of its proper divisors (106700414).

124666690 is a wasteful number, since it uses less digits than its factorization.

124666690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 124666690 is about 11165.4238611886. The cubic root of 124666690 is about 499.5551910740. Note that the first 3 decimals are identical.

The spelling of 124666690 in words is "one hundred twenty-four million, six hundred sixty-six thousand, six hundred ninety".