125360121149 has 2 divisors, whose sum is σ = 125360121150. Its totient is φ = 125360121148.

The previous prime is 125360121121. The next prime is 125360121181. The reversal of 125360121149 is 941121063521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70991872249 + 54368248900 = 266443^2 + 233170^2 .

It is a cyclic number.

It is not a de Polignac number, because 125360121149 - 2²⁴ = 125343343933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125360121049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62680060574 + 62680060575.

It is an arithmetic number, because the mean of its divisors is an integer number (62680060575).

Almost surely, 2^125360121149 is an apocalyptic number.

It is an amenable number.

125360121149 is a deficient number, since it is larger than the sum of its proper divisors (1).

125360121149 is an equidigital number, since it uses as much as digits as its factorization.

125360121149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 125360121149 in words is "one hundred twenty-five billion, three hundred sixty million, one hundred twenty-one thousand, one hundred forty-nine".