124432979091 has 8 divisors (see below), whose sum is σ = 166304727504. Its totient is φ = 82758275040.

The previous prime is 124432979089. The next prime is 124432979101. The reversal of 124432979091 is 190979234421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124432979091 - 2¹ = 124432979089 is a prime.

It is a super-2 number, since 2×124432979091² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124432972091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49259616 + ... + 49262141.

It is an arithmetic number, because the mean of its divisors is an integer number (20788090938).

Almost surely, 2^124432979091 is an apocalyptic number.

124432979091 is a deficient number, since it is larger than the sum of its proper divisors (41871748413).

124432979091 is an equidigital number, since it uses as much as digits as its factorization.

124432979091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98522181.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 124432979091 in words is "one hundred twenty-four billion, four hundred thirty-two million, nine hundred seventy-nine thousand, ninety-one".