7120126 has 16 divisors (see below), whose sum is σ = 11721024. Its totient is φ = 3223584.

The previous prime is 7120123. The next prime is 7120147. The reversal of 7120126 is 6210217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7120121) 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, 1206 + ... + 3961.

It is an arithmetic number, because the mean of its divisors is an integer number (732564).

Almost surely, 2^7120126 is an apocalyptic number.

7120126 is a deficient number, since it is larger than the sum of its proper divisors (4600898).

7120126 is a wasteful number, since it uses less digits than its factorization.

7120126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 7120126 is about 2668.3564229690. The cubic root of 7120126 is about 192.3811691409.

Subtracting from 7120126 its reverse (6210217), we obtain a palindrome (909909).

The spelling of 7120126 in words is "seven million, one hundred twenty thousand, one hundred twenty-six".