124409137 has 4 divisors (see below), whose sum is σ = 124505920. Its totient is φ = 124312356.

The previous prime is 124409123. The next prime is 124409147. The reversal of 124409137 is 731904421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124409137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124409099 and 124409108.

It is not an unprimeable number, because it can be changed into a prime (124409147) 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, 46437 + ... + 49042.

It is an arithmetic number, because the mean of its divisors is an integer number (31126480).

Almost surely, 2^124409137 is an apocalyptic number.

It is an amenable number.

124409137 is a deficient number, since it is larger than the sum of its proper divisors (96783).

124409137 is an equidigital number, since it uses as much as digits as its factorization.

124409137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96782.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 124409137 is about 11153.8843906506. The cubic root of 124409137 is about 499.2109380843.

The spelling of 124409137 in words is "one hundred twenty-four million, four hundred nine thousand, one hundred thirty-seven".