121134153 has 16 divisors (see below), whose sum is σ = 184743936. Its totient is φ = 69160080.

The previous prime is 121134149. The next prime is 121134161. The reversal of 121134153 is 351431121.

It is not a de Polignac number, because 121134153 - 2² = 121134149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121134103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37750 + ... + 40832.

It is an arithmetic number, because the mean of its divisors is an integer number (11546496).

Almost surely, 2^121134153 is an apocalyptic number.

It is an amenable number.

121134153 is a deficient number, since it is larger than the sum of its proper divisors (63609783).

121134153 is a wasteful number, since it uses less digits than its factorization.

121134153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964.

The product of its digits is 360, while the sum is 21.

The square root of 121134153 is about 11006.0961743935. The cubic root of 121134153 is about 494.7914681264.

Adding to 121134153 its reverse (351431121), we get a palindrome (472565274).

The spelling of 121134153 in words is "one hundred twenty-one million, one hundred thirty-four thousand, one hundred fifty-three".