125290511 has 2 divisors, whose sum is σ = 125290512. Its totient is φ = 125290510.

The previous prime is 125290489. The next prime is 125290549. The reversal of 125290511 is 115092521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125290511 - 2⁶ = 125290447 is a prime.

It is a super-2 number, since 2×125290511² = 31395424293282242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125290111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62645255 + 62645256.

It is an arithmetic number, because the mean of its divisors is an integer number (62645256).

Almost surely, 2^125290511 is an apocalyptic number.

125290511 is a deficient number, since it is larger than the sum of its proper divisors (1).

125290511 is an equidigital number, since it uses as much as digits as its factorization.

125290511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 125290511 is about 11193.3243944773. The cubic root of 125290511 is about 500.3870483099.

The spelling of 125290511 in words is "one hundred twenty-five million, two hundred ninety thousand, five hundred eleven".