124836397 has 4 divisors (see below), whose sum is σ = 142670176. Its totient is φ = 107002620.

The previous prime is 124836391. The next prime is 124836407. The reversal of 124836397 is 793638421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 793638421 = 17 ⋅46684613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124836397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124836391) 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, 8916879 + ... + 8916892.

It is an arithmetic number, because the mean of its divisors is an integer number (35667544).

Almost surely, 2^124836397 is an apocalyptic number.

It is an amenable number.

124836397 is a deficient number, since it is larger than the sum of its proper divisors (17833779).

124836397 is an equidigital number, since it uses as much as digits as its factorization.

124836397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17833778.

The product of its digits is 217728, while the sum is 43.

The square root of 124836397 is about 11173.0209433259. The cubic root of 124836397 is about 499.7817674296.

The spelling of 124836397 in words is "one hundred twenty-four million, eight hundred thirty-six thousand, three hundred ninety-seven".