125667427 has 4 divisors (see below), whose sum is σ = 126221256. Its totient is φ = 125113600.

The previous prime is 125667403. The next prime is 125667439. The reversal of 125667427 is 724766521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125667427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125667427.

It is not an unprimeable number, because it can be changed into a prime (125667127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276574 + ... + 277027.

It is an arithmetic number, because the mean of its divisors is an integer number (31555314).

Almost surely, 2^125667427 is an apocalyptic number.

125667427 is a deficient number, since it is larger than the sum of its proper divisors (553829).

125667427 is an equidigital number, since it uses as much as digits as its factorization.

125667427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553828.

The product of its digits is 141120, while the sum is 40.

The square root of 125667427 is about 11210.1483933086. The cubic root of 125667427 is about 500.8883234947. Note that the first 3 decimals are identical.

The spelling of 125667427 in words is "one hundred twenty-five million, six hundred sixty-seven thousand, four hundred twenty-seven".