113181201 has 12 divisors (see below), whose sum is σ = 186838912. Its totient is φ = 64674936.

The previous prime is 113181199. The next prime is 113181209. The reversal of 113181201 is 102181311.

It is a happy number.

It is not a de Polignac number, because 113181201 - 2¹ = 113181199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113181209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898201 + ... + 898326.

Almost surely, 2^113181201 is an apocalyptic number.

It is an amenable number.

113181201 is a deficient number, since it is larger than the sum of its proper divisors (73657711).

113181201 is a wasteful number, since it uses less digits than its factorization.

113181201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796540 (or 1796537 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 113181201 is about 10638.6653768224. The cubic root of 113181201 is about 483.7170912854.

The spelling of 113181201 in words is "one hundred thirteen million, one hundred eighty-one thousand, two hundred one".