125229427 has 2 divisors, whose sum is σ = 125229428. Its totient is φ = 125229426.

The previous prime is 125229413. The next prime is 125229431. The reversal of 125229427 is 724922521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125229427 - 2¹¹ = 125227379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125229392 and 125229401.

It is not a weakly prime, because it can be changed into another prime (125229527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62614713 + 62614714.

It is an arithmetic number, because the mean of its divisors is an integer number (62614714).

Almost surely, 2^125229427 is an apocalyptic number.

125229427 is a deficient number, since it is larger than the sum of its proper divisors (1).

125229427 is an equidigital number, since it uses as much as digits as its factorization.

125229427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 125229427 is about 11190.5954711981. The cubic root of 125229427 is about 500.3057157044.

The spelling of 125229427 in words is "one hundred twenty-five million, two hundred twenty-nine thousand, four hundred twenty-seven".