125555067 has 12 divisors (see below), whose sum is σ = 197844504. Its totient is φ = 76093920.

The previous prime is 125555063. The next prime is 125555071. The reversal of 125555067 is 760555521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125555063) and next prime (125555071).

It is not a de Polignac number, because 125555067 - 2² = 125555063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125555063) 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 in 11 ways as a sum of consecutive naturals, for example, 634018 + ... + 634215.

It is an arithmetic number, because the mean of its divisors is an integer number (16487042).

Almost surely, 2^125555067 is an apocalyptic number.

125555067 is a deficient number, since it is larger than the sum of its proper divisors (72289437).

125555067 is a wasteful number, since it uses less digits than its factorization.

125555067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268250 (or 1268247 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 125555067 is about 11205.1357421497. The cubic root of 125555067 is about 500.7389965634.

The spelling of 125555067 in words is "one hundred twenty-five million, five hundred fifty-five thousand, sixty-seven".