121153151 has 4 divisors (see below), whose sum is σ = 138460752. Its totient is φ = 103845552.

The previous prime is 121153147. The next prime is 121153159. The reversal of 121153151 is 151351121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121153151 - 2² = 121153147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121153159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8653790 + ... + 8653803.

It is an arithmetic number, because the mean of its divisors is an integer number (34615188).

Almost surely, 2^121153151 is an apocalyptic number.

121153151 is a deficient number, since it is larger than the sum of its proper divisors (17307601).

121153151 is an equidigital number, since it uses as much as digits as its factorization.

121153151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17307600.

The product of its digits is 150, while the sum is 20.

The square root of 121153151 is about 11006.9592077013. The cubic root of 121153151 is about 494.8173335456.

The spelling of 121153151 in words is "one hundred twenty-one million, one hundred fifty-three thousand, one hundred fifty-one".