125072537270123 has 2 divisors, whose sum is σ = 125072537270124. Its totient is φ = 125072537270122.

The previous prime is 125072537270089. The next prime is 125072537270201. The reversal of 125072537270123 is 321072735270521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125072537270123 - 2⁶ = 125072537270059 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125072537270323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62536268635061 + 62536268635062.

It is an arithmetic number, because the mean of its divisors is an integer number (62536268635062).

Almost surely, 2^{125072537270123} is an apocalyptic number.

125072537270123 is a deficient number, since it is larger than the sum of its proper divisors (1).

125072537270123 is an equidigital number, since it uses as much as digits as its factorization.

125072537270123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 125072537270123 in words is "one hundred twenty-five trillion, seventy-two billion, five hundred thirty-seven million, two hundred seventy thousand, one hundred twenty-three".