124122402251 has 2 divisors, whose sum is σ = 124122402252. Its totient is φ = 124122402250.

The previous prime is 124122402233. The next prime is 124122402253. The reversal of 124122402251 is 152204221421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124122402251 - 2²² = 124118207947 is a prime.

Together with 124122402253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124122402251.

It is not a weakly prime, because it can be changed into another prime (124122402253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62061201125 + 62061201126.

It is an arithmetic number, because the mean of its divisors is an integer number (62061201126).

Almost surely, 2^124122402251 is an apocalyptic number.

124122402251 is a deficient number, since it is larger than the sum of its proper divisors (1).

124122402251 is an equidigital number, since it uses as much as digits as its factorization.

124122402251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 124122402251 its reverse (152204221421), we get a palindrome (276326623672).

The spelling of 124122402251 in words is "one hundred twenty-four billion, one hundred twenty-two million, four hundred two thousand, two hundred fifty-one".