125722951 has 2 divisors, whose sum is σ = 125722952. Its totient is φ = 125722950.

The previous prime is 125722937. The next prime is 125722963. The reversal of 125722951 is 159227521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125722951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125722901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62861475 + 62861476.

It is an arithmetic number, because the mean of its divisors is an integer number (62861476).

Almost surely, 2^125722951 is an apocalyptic number.

125722951 is a deficient number, since it is larger than the sum of its proper divisors (1).

125722951 is an equidigital number, since it uses as much as digits as its factorization.

125722951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 34.

The square root of 125722951 is about 11212.6246258403. The cubic root of 125722951 is about 500.9620822747.

The spelling of 125722951 in words is "one hundred twenty-five million, seven hundred twenty-two thousand, nine hundred fifty-one".