125322251 has 2 divisors, whose sum is σ = 125322252. Its totient is φ = 125322250.

The previous prime is 125322221. The next prime is 125322259. The reversal of 125322251 is 152223521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125322251 - 2¹⁴ = 125305867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125322259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62661125 + 62661126.

It is an arithmetic number, because the mean of its divisors is an integer number (62661126).

Almost surely, 2^125322251 is an apocalyptic number.

125322251 is a deficient number, since it is larger than the sum of its proper divisors (1).

125322251 is an equidigital number, since it uses as much as digits as its factorization.

125322251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 125322251 is about 11194.7421140462. The cubic root of 125322251 is about 500.4292992987.

Adding to 125322251 its reverse (152223521), we get a palindrome (277545772).

The spelling of 125322251 in words is "one hundred twenty-five million, three hundred twenty-two thousand, two hundred fifty-one".