121416153 has 4 divisors (see below), whose sum is σ = 161888208. Its totient is φ = 80944100.

The previous prime is 121416151. The next prime is 121416173. The reversal of 121416153 is 351614121.

It is a happy number.

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 121416153 - 2¹ = 121416151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121416151) 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, 20236023 + ... + 20236028.

It is an arithmetic number, because the mean of its divisors is an integer number (40472052).

Almost surely, 2^121416153 is an apocalyptic number.

It is an amenable number.

121416153 is a deficient number, since it is larger than the sum of its proper divisors (40472055).

121416153 is an equidigital number, since it uses as much as digits as its factorization.

121416153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40472054.

The product of its digits is 720, while the sum is 24.

The square root of 121416153 is about 11018.8998089646. The cubic root of 121416153 is about 495.1751283199.

The spelling of 121416153 in words is "one hundred twenty-one million, four hundred sixteen thousand, one hundred fifty-three".