125214091 has 2 divisors, whose sum is σ = 125214092. Its totient is φ = 125214090.

The previous prime is 125214079. The next prime is 125214097. The reversal of 125214091 is 190412521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125214091 - 2⁵ = 125214059 is a prime.

It is not a weakly prime, because it can be changed into another prime (125214097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62607045 + 62607046.

It is an arithmetic number, because the mean of its divisors is an integer number (62607046).

Almost surely, 2^125214091 is an apocalyptic number.

125214091 is a deficient number, since it is larger than the sum of its proper divisors (1).

125214091 is an equidigital number, since it uses as much as digits as its factorization.

125214091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 125214091 is about 11189.9102319902. The cubic root of 125214091 is about 500.2852918528.

The spelling of 125214091 in words is "one hundred twenty-five million, two hundred fourteen thousand, ninety-one".