125623867 has 2 divisors, whose sum is σ = 125623868. Its totient is φ = 125623866.

The previous prime is 125623787. The next prime is 125623871. The reversal of 125623867 is 768326521.

It is a strong prime.

It is an emirp because it is prime and its reverse (768326521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125623867 - 2¹⁵ = 125591099 is a prime.

It is not a weakly prime, because it can be changed into another prime (125423867) 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, 62811933 + 62811934.

It is an arithmetic number, because the mean of its divisors is an integer number (62811934).

Almost surely, 2^125623867 is an apocalyptic number.

125623867 is a deficient number, since it is larger than the sum of its proper divisors (1).

125623867 is an equidigital number, since it uses as much as digits as its factorization.

125623867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 125623867 is about 11208.2053425158. The cubic root of 125623867 is about 500.8304426331.

The spelling of 125623867 in words is "one hundred twenty-five million, six hundred twenty-three thousand, eight hundred sixty-seven".