121465121 has 4 divisors (see below), whose sum is σ = 121581744. Its totient is φ = 121348500.

The previous prime is 121465109. The next prime is 121465147. The reversal of 121465121 is 121564121.

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 121465121 - 2¹⁴ = 121448737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121465151) 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, 56735 + ... + 58836.

It is an arithmetic number, because the mean of its divisors is an integer number (30395436).

Almost surely, 2^121465121 is an apocalyptic number.

It is an amenable number.

121465121 is a deficient number, since it is larger than the sum of its proper divisors (116623).

121465121 is a wasteful number, since it uses less digits than its factorization.

121465121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116622.

The product of its digits is 480, while the sum is 23.

The square root of 121465121 is about 11021.1215853923. The cubic root of 121465121 is about 495.2416885923.

The spelling of 121465121 in words is "one hundred twenty-one million, four hundred sixty-five thousand, one hundred twenty-one".