125023570069 has 2 divisors, whose sum is σ = 125023570070. Its totient is φ = 125023570068.

The previous prime is 125023570013. The next prime is 125023570093. The reversal of 125023570069 is 960075320521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120919630225 + 4103939844 = 347735^2 + 64062^2 .

It is an emirp because it is prime and its reverse (960075320521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125023570069 - 2⁷ = 125023569941 is a prime.

It is a super-2 number, since 2×125023570069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125023577069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62511785034 + 62511785035.

It is an arithmetic number, because the mean of its divisors is an integer number (62511785035).

Almost surely, 2^125023570069 is an apocalyptic number.

It is an amenable number.

125023570069 is a deficient number, since it is larger than the sum of its proper divisors (1).

125023570069 is an equidigital number, since it uses as much as digits as its factorization.

125023570069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 125023570069 in words is "one hundred twenty-five billion, twenty-three million, five hundred seventy thousand, sixty-nine".