121013151 has 16 divisors (see below), whose sum is σ = 187881984. Its totient is φ = 67845024.

The previous prime is 121013149. The next prime is 121013159. The reversal of 121013151 is 151310121.

It is not a de Polignac number, because 121013151 - 2¹ = 121013149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121013151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013159) 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, 53251 + ... + 55476.

It is an arithmetic number, because the mean of its divisors is an integer number (11742624).

Almost surely, 2^121013151 is an apocalyptic number.

121013151 is a deficient number, since it is larger than the sum of its proper divisors (66868833).

121013151 is a wasteful number, since it uses less digits than its factorization.

121013151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108790.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 121013151 is about 11000.5977564858. The cubic root of 121013151 is about 494.6266626829.

Adding to 121013151 its reverse (151310121), we get a palindrome (272323272).

The spelling of 121013151 in words is "one hundred twenty-one million, thirteen thousand, one hundred fifty-one".