125504651 has 2 divisors, whose sum is σ = 125504652. Its totient is φ = 125504650.

The previous prime is 125504609. The next prime is 125504653. The reversal of 125504651 is 156405521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125504651 - 2¹⁴ = 125488267 is a prime.

Together with 125504653, 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 (125504653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62752325 + 62752326.

It is an arithmetic number, because the mean of its divisors is an integer number (62752326).

Almost surely, 2^125504651 is an apocalyptic number.

125504651 is a deficient number, since it is larger than the sum of its proper divisors (1).

125504651 is an equidigital number, since it uses as much as digits as its factorization.

125504651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 125504651 is about 11202.8858335698. The cubic root of 125504651 is about 500.6719645228.

The spelling of 125504651 in words is "one hundred twenty-five million, five hundred four thousand, six hundred fifty-one".