121162361 has 4 divisors (see below), whose sum is σ = 121248000. Its totient is φ = 121076724.

The previous prime is 121162357. The next prime is 121162369. The reversal of 121162361 is 163261121.

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 121162361 - 2² = 121162357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121162369) 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, 40661 + ... + 43538.

It is an arithmetic number, because the mean of its divisors is an integer number (30312000).

Almost surely, 2^121162361 is an apocalyptic number.

It is an amenable number.

121162361 is a deficient number, since it is larger than the sum of its proper divisors (85639).

121162361 is an equidigital number, since it uses as much as digits as its factorization.

121162361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85638.

The product of its digits is 432, while the sum is 23.

The square root of 121162361 is about 11007.3775714291. The cubic root of 121162361 is about 494.8298718140.

The spelling of 121162361 in words is "one hundred twenty-one million, one hundred sixty-two thousand, three hundred sixty-one".