125204747 has 4 divisors (see below), whose sum is σ = 125479176. Its totient is φ = 124930320.

The previous prime is 125204741. The next prime is 125204773. The reversal of 125204747 is 747402521.

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 125204747 - 2²⁰ = 124156171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125204741) 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, 136529 + ... + 137442.

It is an arithmetic number, because the mean of its divisors is an integer number (31369794).

Almost surely, 2^125204747 is an apocalyptic number.

125204747 is a deficient number, since it is larger than the sum of its proper divisors (274429).

125204747 is an equidigital number, since it uses as much as digits as its factorization.

125204747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274428.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 125204747 is about 11189.4927052123. The cubic root of 125204747 is about 500.2728470819.

The spelling of 125204747 in words is "one hundred twenty-five million, two hundred four thousand, seven hundred forty-seven".