151121163 has 4 divisors (see below), whose sum is σ = 201494888. Its totient is φ = 100747440.

The previous prime is 151121161. The next prime is 151121167. The reversal of 151121163 is 361121151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361121151 = 3 ⋅120373717.

It is not a de Polignac number, because 151121163 - 2¹ = 151121161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151121161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25186858 + ... + 25186863.

It is an arithmetic number, because the mean of its divisors is an integer number (50373722).

Almost surely, 2^151121163 is an apocalyptic number.

151121163 is a deficient number, since it is larger than the sum of its proper divisors (50373725).

151121163 is an equidigital number, since it uses as much as digits as its factorization.

151121163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50373724.

The product of its digits is 180, while the sum is 21.

The square root of 151121163 is about 12293.1347914192. The cubic root of 151121163 is about 532.6497927685.

The spelling of 151121163 in words is "one hundred fifty-one million, one hundred twenty-one thousand, one hundred sixty-three".