124691697137 has 12 divisors (see below), whose sum is σ = 145069792560. Its totient is φ = 106863663816.

The previous prime is 124691697089. The next prime is 124691697161. The reversal of 124691697137 is 731796196421.

It is not a de Polignac number, because 124691697137 - 2¹⁴ = 124691680753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124691697167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183914 + ... + 532172.

It is an arithmetic number, because the mean of its divisors is an integer number (12089149380).

Almost surely, 2^124691697137 is an apocalyptic number.

It is an amenable number.

124691697137 is a deficient number, since it is larger than the sum of its proper divisors (20378095423).

124691697137 is an equidigital number, since it uses as much as digits as its factorization.

124691697137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355580 (or 355573 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The spelling of 124691697137 in words is "one hundred twenty-four billion, six hundred ninety-one million, six hundred ninety-seven thousand, one hundred thirty-seven".