1252122345079 has 2 divisors, whose sum is σ = 1252122345080. Its totient is φ = 1252122345078.

The previous prime is 1252122345017. The next prime is 1252122345107. The reversal of 1252122345079 is 9705432212521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252122345079 is a prime.

It is a super-2 number, since 2×1252122345079² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252122345979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626061172539 + 626061172540.

It is an arithmetic number, because the mean of its divisors is an integer number (626061172540).

Almost surely, 2^{1252122345079} is an apocalyptic number.

1252122345079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252122345079 is an equidigital number, since it uses as much as digits as its factorization.

1252122345079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 1252122345079 in words is "one trillion, two hundred fifty-two billion, one hundred twenty-two million, three hundred forty-five thousand, seventy-nine".