7121265 has 8 divisors (see below), whose sum is σ = 11394048. Its totient is φ = 3798000.

The previous prime is 7121263. The next prime is 7121267. The reversal of 7121265 is 5621217.

It is an interprime number because it is at equal distance from previous prime (7121263) and next prime (7121267).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7121265 - 2¹ = 7121263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7121263) 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, 237361 + ... + 237390.

It is an arithmetic number, because the mean of its divisors is an integer number (1424256).

Almost surely, 2^7121265 is an apocalyptic number.

It is an amenable number.

7121265 is a deficient number, since it is larger than the sum of its proper divisors (4272783).

7121265 is a wasteful number, since it uses less digits than its factorization.

7121265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474759.

The product of its digits is 840, while the sum is 24.

The square root of 7121265 is about 2668.5698416942. The cubic root of 7121265 is about 192.3914269401.

The spelling of 7121265 in words is "seven million, one hundred twenty-one thousand, two hundred sixty-five".