5120947 has 4 divisors (see below), whose sum is σ = 5514880. Its totient is φ = 4727016.

The previous prime is 5120939. The next prime is 5120957. The reversal of 5120947 is 7490215.

It is a happy number.

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 5120947 - 2³ = 5120939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5120957) 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, 196947 + ... + 196972.

It is an arithmetic number, because the mean of its divisors is an integer number (1378720).

Almost surely, 2^5120947 is an apocalyptic number.

5120947 is a deficient number, since it is larger than the sum of its proper divisors (393933).

5120947 is a wasteful number, since it uses less digits than its factorization.

5120947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393932.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 5120947 is about 2262.9509495347. The cubic root of 5120947 is about 172.3654008477.

The spelling of 5120947 in words is "five million, one hundred twenty thousand, nine hundred forty-seven".