7120057 has 8 divisors (see below), whose sum is σ = 8154432. Its totient is φ = 6090000.

The previous prime is 7120039. The next prime is 7120063. The reversal of 7120057 is 7500217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7120057 - 2⁷ = 7119929 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7120007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4182 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (1019304).

Almost surely, 2^7120057 is an apocalyptic number.

It is an amenable number.

7120057 is a deficient number, since it is larger than the sum of its proper divisors (1034375).

7120057 is a wasteful number, since it uses less digits than its factorization.

7120057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 7120057 is about 2668.3434936305. The cubic root of 7120057 is about 192.3805476939.

The spelling of 7120057 in words is "seven million, one hundred twenty thousand, fifty-seven".