124223079961 has 2 divisors, whose sum is σ = 124223079962. Its totient is φ = 124223079960.

The previous prime is 124223079923. The next prime is 124223079989. The reversal of 124223079961 is 169970322421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73386810000 + 50836269961 = 270900^2 + 225469^2 .

It is a cyclic number.

It is not a de Polignac number, because 124223079961 - 2²⁵ = 124189525529 is a prime.

It is not a weakly prime, because it can be changed into another prime (124223079901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62111539980 + 62111539981.

It is an arithmetic number, because the mean of its divisors is an integer number (62111539981).

Almost surely, 2^124223079961 is an apocalyptic number.

It is an amenable number.

124223079961 is a deficient number, since it is larger than the sum of its proper divisors (1).

124223079961 is an equidigital number, since it uses as much as digits as its factorization.

124223079961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 124223079961 in words is "one hundred twenty-four billion, two hundred twenty-three million, seventy-nine thousand, nine hundred sixty-one".