121162201 has 6 divisors (see below), whose sum is σ = 121634702. Its totient is φ = 120691200.

The previous prime is 121162189. The next prime is 121162207. The reversal of 121162201 is 102261121.

It can be written as a sum of positive squares in 3 ways, for example, as 49336576 + 71825625 = 7024^2 + 8475^2 .

It is not a de Polignac number, because 121162201 - 2⁵ = 121162169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121162207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201301 + ... + 201901.

Almost surely, 2^121162201 is an apocalyptic number.

It is an amenable number.

121162201 is a deficient number, since it is larger than the sum of its proper divisors (472501).

121162201 is an frugal number, since it uses more digits than its factorization.

121162201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 121162201 is about 11007.3703035739. The cubic root of 121162201 is about 494.8296539993.

The spelling of 121162201 in words is "one hundred twenty-one million, one hundred sixty-two thousand, two hundred one".