124904681 has 8 divisors (see below), whose sum is σ = 137255904. Its totient is φ = 112719520.

The previous prime is 124904677. The next prime is 124904687. The reversal of 124904681 is 186409421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 124904681 - 2² = 124904677 is a prime.

It is a super-2 number, since 2×124904681² = 31202358671423522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124904687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39935 + ... + 42948.

It is an arithmetic number, because the mean of its divisors is an integer number (17156988).

Almost surely, 2^124904681 is an apocalyptic number.

124904681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124904681 is a deficient number, since it is larger than the sum of its proper divisors (12351223).

124904681 is a wasteful number, since it uses less digits than its factorization.

124904681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83031.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 124904681 is about 11176.0762792672. The cubic root of 124904681 is about 499.8728756816.

It can be divided in two parts, 12490 and 4681, that added together give a palindrome (17171).

The spelling of 124904681 in words is "one hundred twenty-four million, nine hundred four thousand, six hundred eighty-one".