124436451057 has 4 divisors (see below), whose sum is σ = 165915268080. Its totient is φ = 82957634036.

The previous prime is 124436451049. The next prime is 124436451059. The reversal of 124436451057 is 750154634421.

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 not a de Polignac number, because 124436451057 - 2³ = 124436451049 is a prime.

It is a super-2 number, since 2×124436451057² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124436451059) 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, 20739408507 + ... + 20739408512.

It is an arithmetic number, because the mean of its divisors is an integer number (41478817020).

Almost surely, 2^124436451057 is an apocalyptic number.

It is an amenable number.

124436451057 is a deficient number, since it is larger than the sum of its proper divisors (41478817023).

124436451057 is an equidigital number, since it uses as much as digits as its factorization.

124436451057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41478817022.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 124436451057 in words is "one hundred twenty-four billion, four hundred thirty-six million, four hundred fifty-one thousand, fifty-seven".