124320142993 has 2 divisors, whose sum is σ = 124320142994. Its totient is φ = 124320142992.

The previous prime is 124320142951. The next prime is 124320143009. The reversal of 124320142993 is 399241023421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122315969169 + 2004173824 = 349737^2 + 44768^2 .

It is a cyclic number.

It is not a de Polignac number, because 124320142993 - 2²⁵ = 124286588561 is a prime.

It is not a weakly prime, because it can be changed into another prime (124320142943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62160071496 + 62160071497.

It is an arithmetic number, because the mean of its divisors is an integer number (62160071497).

Almost surely, 2^124320142993 is an apocalyptic number.

It is an amenable number.

124320142993 is a deficient number, since it is larger than the sum of its proper divisors (1).

124320142993 is an equidigital number, since it uses as much as digits as its factorization.

124320142993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 124320142993 in words is "one hundred twenty-four billion, three hundred twenty million, one hundred forty-two thousand, nine hundred ninety-three".