124692854321 has 6 divisors (see below), whose sum is σ = 145050871410. Its totient is φ = 106879589376.

The previous prime is 124692854317. The next prime is 124692854329. The reversal of 124692854321 is 123458296421.

It can be written as a sum of positive squares in only one way, i.e., 94226897296 + 30465957025 = 306964^2 + 174545^2 .

It is not a de Polignac number, because 124692854321 - 2² = 124692854317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124692854329) 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 5 ways as a sum of consecutive naturals, for example, 1272376016 + ... + 1272376113.

It is an arithmetic number, because the mean of its divisors is an integer number (24175145235).

Almost surely, 2^124692854321 is an apocalyptic number.

It is an amenable number.

124692854321 is a deficient number, since it is larger than the sum of its proper divisors (20358017089).

124692854321 is an equidigital number, since it uses as much as digits as its factorization.

124692854321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544752143 (or 2544752136 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 124692854321 in words is "one hundred twenty-four billion, six hundred ninety-two million, eight hundred fifty-four thousand, three hundred twenty-one".