121051153 has 4 divisors (see below), whose sum is σ = 121077360. Its totient is φ = 121024948.

The previous prime is 121051129. The next prime is 121051157. The reversal of 121051153 is 351150121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121051153 - 2⁵ = 121051121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121051153.

It is not an unprimeable number, because it can be changed into a prime (121051157) 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, 4123 + ... + 16096.

It is an arithmetic number, because the mean of its divisors is an integer number (30269340).

Almost surely, 2^121051153 is an apocalyptic number.

It is an amenable number.

121051153 is a deficient number, since it is larger than the sum of its proper divisors (26207).

121051153 is an equidigital number, since it uses as much as digits as its factorization.

121051153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26206.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 121051153 is about 11002.3248906765. The cubic root of 121051153 is about 494.6784334616.

The spelling of 121051153 in words is "one hundred twenty-one million, fifty-one thousand, one hundred fifty-three".