7900126 has 16 divisors (see below), whose sum is σ = 13074768. Its totient is φ = 3556800.

The previous prime is 7900117. The next prime is 7900163. The reversal of 7900126 is 6210097.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 7900126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2640 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (817173).

Almost surely, 2^7900126 is an apocalyptic number.

7900126 is a deficient number, since it is larger than the sum of its proper divisors (5174642).

7900126 is a wasteful number, since it uses less digits than its factorization.

7900126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 7900126 is about 2810.7162788158. The cubic root of 7900126 is about 199.1642289655.

The spelling of 7900126 in words is "seven million, nine hundred thousand, one hundred twenty-six".