125371451 has 2 divisors, whose sum is σ = 125371452. Its totient is φ = 125371450.

The previous prime is 125371423. The next prime is 125371453. The reversal of 125371451 is 154173521.

It is a strong prime.

It is an emirp because it is prime and its reverse (154173521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125371451 is a prime.

Together with 125371453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125371453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62685725 + 62685726.

It is an arithmetic number, because the mean of its divisors is an integer number (62685726).

Almost surely, 2^125371451 is an apocalyptic number.

125371451 is a deficient number, since it is larger than the sum of its proper divisors (1).

125371451 is an equidigital number, since it uses as much as digits as its factorization.

125371451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 125371451 is about 11196.9393585926. The cubic root of 125371451 is about 500.4947782275.

The spelling of 125371451 in words is "one hundred twenty-five million, three hundred seventy-one thousand, four hundred fifty-one".