7121132 has 6 divisors (see below), whose sum is σ = 12461988. Its totient is φ = 3560564.

The previous prime is 7121089. The next prime is 7121137. The reversal of 7121132 is 2311217.

It is a super-2 number, since 2×7121132² = 101421041922848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7121132.

It is not an unprimeable number, because it can be changed into a prime (7121137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890138 + ... + 890145.

It is an arithmetic number, because the mean of its divisors is an integer number (2076998).

Almost surely, 2^7121132 is an apocalyptic number.

It is an amenable number.

7121132 is a deficient number, since it is larger than the sum of its proper divisors (5340856).

7121132 is a wasteful number, since it uses less digits than its factorization.

7121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780287 (or 1780285 counting only the distinct ones).

The product of its digits is 84, while the sum is 17.

The square root of 7121132 is about 2668.5449218628. The cubic root of 7121132 is about 192.3902292026.

Adding to 7121132 its reverse (2311217), we get a palindrome (9432349).

The spelling of 7121132 in words is "seven million, one hundred twenty-one thousand, one hundred thirty-two".