124940906 has 8 divisors (see below), whose sum is σ = 187494564. Its totient is φ = 62442720.

The previous prime is 124940833. The next prime is 124940909. The reversal of 124940906 is 609049421.

It can be written as a sum of positive squares in 2 ways, for example, as 124121881 + 819025 = 11141^2 + 905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×124940906² = 31220459984201672, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124940909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7685 + ... + 17576.

Almost surely, 2^124940906 is an apocalyptic number.

124940906 is a deficient number, since it is larger than the sum of its proper divisors (62553658).

124940906 is a wasteful number, since it uses less digits than its factorization.

124940906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27736.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 124940906 is about 11177.6968110609. The cubic root of 124940906 is about 499.9211955804.

The spelling of 124940906 in words is "one hundred twenty-four million, nine hundred forty thousand, nine hundred six".