124691697139 has 8 divisors (see below), whose sum is σ = 124902725040. Its totient is φ = 124480731936.

The previous prime is 124691697089. The next prime is 124691697161. The reversal of 124691697139 is 931796196421.

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

It is a cyclic number.

It is not a de Polignac number, because 124691697139 - 2²⁷ = 124557479411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124691697539) 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, 5649844 + ... + 5671870.

It is an arithmetic number, because the mean of its divisors is an integer number (15612840630).

Almost surely, 2^124691697139 is an apocalyptic number.

124691697139 is a deficient number, since it is larger than the sum of its proper divisors (211027901).

124691697139 is an equidigital number, since it uses as much as digits as its factorization.

124691697139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31349.

The product of its digits is 4408992, while the sum is 58.

The spelling of 124691697139 in words is "one hundred twenty-four billion, six hundred ninety-one million, six hundred ninety-seven thousand, one hundred thirty-nine".