7127140 has 24 divisors (see below), whose sum is σ = 15023232. Its totient is φ = 2840160.

The previous prime is 7127137. The next prime is 7127161. The reversal of 7127140 is 417217.

It is a super-2 number, since 2×7127140² = 101592249159200, which contains 22 as substring.

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, 6855 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (625968).

Almost surely, 2^7127140 is an apocalyptic number.

It is an amenable number.

7127140 is an abundant number, since it is smaller than the sum of its proper divisors (7896092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7127140 is a wasteful number, since it uses less digits than its factorization.

7127140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 7127140 is about 2669.6703916401. The cubic root of 7127140 is about 192.4443196469. Note that the first 3 decimals are identical.

The spelling of 7127140 in words is "seven million, one hundred twenty-seven thousand, one hundred forty".