7201131 has 16 divisors (see below), whose sum is σ = 11057664. Its totient is φ = 4083264.

The previous prime is 7201123. The next prime is 7201147. The reversal of 7201131 is 1311027.

It is not a de Polignac number, because 7201131 - 2³ = 7201123 is a prime.

It is a super-2 number, since 2×7201131² = 103712575358322, 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 7201131.

It is not an unprimeable number, because it can be changed into a prime (7201031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1626 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (691104).

Almost surely, 2^7201131 is an apocalyptic number.

7201131 is a deficient number, since it is larger than the sum of its proper divisors (3856533).

7201131 is a wasteful number, since it uses less digits than its factorization.

7201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 7201131 is about 2683.4923141310. The cubic root of 7201131 is about 193.1079872111.

Adding to 7201131 its reverse (1311027), we get a palindrome (8512158).

The spelling of 7201131 in words is "seven million, two hundred one thousand, one hundred thirty-one".