125542727 has 2 divisors, whose sum is σ = 125542728. Its totient is φ = 125542726.

The previous prime is 125542693. The next prime is 125542733. The reversal of 125542727 is 727245521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125542727 - 2⁶ = 125542663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125542427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62771363 + 62771364.

It is an arithmetic number, because the mean of its divisors is an integer number (62771364).

Almost surely, 2^125542727 is an apocalyptic number.

125542727 is a deficient number, since it is larger than the sum of its proper divisors (1).

125542727 is an equidigital number, since it uses as much as digits as its factorization.

125542727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 35.

The square root of 125542727 is about 11204.5850882574. The cubic root of 125542727 is about 500.7225912208.

The spelling of 125542727 in words is "one hundred twenty-five million, five hundred forty-two thousand, seven hundred twenty-seven".