125623087 has 2 divisors, whose sum is σ = 125623088. Its totient is φ = 125623086.

The previous prime is 125623061. The next prime is 125623133. The reversal of 125623087 is 780326521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125623087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125623007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62811543 + 62811544.

It is an arithmetic number, because the mean of its divisors is an integer number (62811544).

Almost surely, 2^125623087 is an apocalyptic number.

125623087 is a deficient number, since it is larger than the sum of its proper divisors (1).

125623087 is an equidigital number, since it uses as much as digits as its factorization.

125623087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 125623087 is about 11208.1705465254. The cubic root of 125623087 is about 500.8294060770.

The spelling of 125623087 in words is "one hundred twenty-five million, six hundred twenty-three thousand, eighty-seven".