125194747 has 4 divisors (see below), whose sum is σ = 125217136. Its totient is φ = 125172360.

The previous prime is 125194739. The next prime is 125194777. The reversal of 125194747 is 747491521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125194747 - 2³ = 125194739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125194777) 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, 5098 + ... + 16624.

It is an arithmetic number, because the mean of its divisors is an integer number (31304284).

Almost surely, 2^125194747 is an apocalyptic number.

125194747 is a deficient number, since it is larger than the sum of its proper divisors (22389).

125194747 is a wasteful number, since it uses less digits than its factorization.

125194747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22388.

The product of its digits is 70560, while the sum is 40.

The square root of 125194747 is about 11189.0458485074. The cubic root of 125194747 is about 500.2595279339.

The spelling of 125194747 in words is "one hundred twenty-five million, one hundred ninety-four thousand, seven hundred forty-seven".