125213087 has 2 divisors, whose sum is σ = 125213088. Its totient is φ = 125213086.

The previous prime is 125213071. The next prime is 125213113. The reversal of 125213087 is 780312521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125213087 - 2⁴ = 125213071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125213027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62606543 + 62606544.

It is an arithmetic number, because the mean of its divisors is an integer number (62606544).

Almost surely, 2^125213087 is an apocalyptic number.

125213087 is a deficient number, since it is larger than the sum of its proper divisors (1).

125213087 is an equidigital number, since it uses as much as digits as its factorization.

125213087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 125213087 is about 11189.8653700570. The cubic root of 125213087 is about 500.2839547089.

The spelling of 125213087 in words is "one hundred twenty-five million, two hundred thirteen thousand, eighty-seven".