125425451 has 2 divisors, whose sum is σ = 125425452. Its totient is φ = 125425450.

The previous prime is 125425429. The next prime is 125425457. The reversal of 125425451 is 154524521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125425451 - 2⁶ = 125425387 is a prime.

It is not a weakly prime, because it can be changed into another prime (125425457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62712725 + 62712726.

It is an arithmetic number, because the mean of its divisors is an integer number (62712726).

Almost surely, 2^125425451 is an apocalyptic number.

125425451 is a deficient number, since it is larger than the sum of its proper divisors (1).

125425451 is an equidigital number, since it uses as much as digits as its factorization.

125425451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 29.

The square root of 125425451 is about 11199.3504722372. The cubic root of 125425451 is about 500.5666256282.

Adding to 125425451 its reverse (154524521), we get a palindrome (279949972).

The spelling of 125425451 in words is "one hundred twenty-five million, four hundred twenty-five thousand, four hundred fifty-one".