124634436421 has 32 divisors (see below), whose sum is σ = 142160256000. Its totient is φ = 108241920000.

The previous prime is 124634436391. The next prime is 124634436457.

124634436421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 124634436421 - 2¹³ = 124634428229 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 (124634436461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12014725 + ... + 12025093.

It is an arithmetic number, because the mean of its divisors is an integer number (4442508000).

Almost surely, 2^124634436421 is an apocalyptic number.

124634436421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124634436421 is a deficient number, since it is larger than the sum of its proper divisors (17525819579).

124634436421 is a wasteful number, since it uses less digits than its factorization.

124634436421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861.

The product of its digits is 331776, while the sum is 40.

The spelling of 124634436421 in words is "one hundred twenty-four billion, six hundred thirty-four million, four hundred thirty-six thousand, four hundred twenty-one".