125670336667 has 4 divisors (see below), whose sum is σ = 128592902680. Its totient is φ = 122747770656.

The previous prime is 125670336661. The next prime is 125670336677. The reversal of 125670336667 is 766633076521.

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

It is a cyclic number.

It is not a de Polignac number, because 125670336667 - 2¹¹ = 125670334619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125670336661) 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, 1461282942 + ... + 1461283027.

It is an arithmetic number, because the mean of its divisors is an integer number (32148225670).

Almost surely, 2^125670336667 is an apocalyptic number.

125670336667 is a deficient number, since it is larger than the sum of its proper divisors (2922566013).

125670336667 is an equidigital number, since it uses as much as digits as its factorization.

125670336667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922566012.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 125670336667 in words is "one hundred twenty-five billion, six hundred seventy million, three hundred thirty-six thousand, six hundred sixty-seven".