7121036 has 12 divisors (see below), whose sum is σ = 13420512. Its totient is φ = 3286608.

The previous prime is 7121033. The next prime is 7121071. The reversal of 7121036 is 6301217.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7120999 and 7121017.

It is not an unprimeable number, because it can be changed into a prime (7121033) 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, 68420 + ... + 68523.

It is an arithmetic number, because the mean of its divisors is an integer number (1118376).

Almost surely, 2^7121036 is an apocalyptic number.

It is an amenable number.

7121036 is a deficient number, since it is larger than the sum of its proper divisors (6299476).

7121036 is a wasteful number, since it uses less digits than its factorization.

7121036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136960 (or 136958 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7121036 is about 2668.5269344715. The cubic root of 7121036 is about 192.3893646609.

The spelling of 7121036 in words is "seven million, one hundred twenty-one thousand, thirty-six".