124857953 has 4 divisors (see below), whose sum is σ = 136208688. Its totient is φ = 113507220.

The previous prime is 124857937. The next prime is 124857989. The reversal of 124857953 is 359758421.

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: 359758421 = 11 ⋅32705311.

It is a cyclic number.

It is not a de Polignac number, because 124857953 - 2⁴ = 124857937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124857353) 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, 5675351 + ... + 5675372.

It is an arithmetic number, because the mean of its divisors is an integer number (34052172).

Almost surely, 2^124857953 is an apocalyptic number.

It is an amenable number.

124857953 is a deficient number, since it is larger than the sum of its proper divisors (11350735).

124857953 is a wasteful number, since it uses less digits than its factorization.

124857953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350734.

The product of its digits is 302400, while the sum is 44.

The square root of 124857953 is about 11173.9855467957. The cubic root of 124857953 is about 499.8105322130.

The spelling of 124857953 in words is "one hundred twenty-four million, eight hundred fifty-seven thousand, nine hundred fifty-three".