121879201 has 8 divisors (see below), whose sum is σ = 123623424. Its totient is φ = 120146880.

The previous prime is 121879189. The next prime is 121879207. The reversal of 121879201 is 102978121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121879201 - 2⁹ = 121878689 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (121879207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18760 + ... + 24406.

It is an arithmetic number, because the mean of its divisors is an integer number (15452928).

Almost surely, 2^121879201 is an apocalyptic number.

It is an amenable number.

121879201 is a deficient number, since it is larger than the sum of its proper divisors (1744223).

121879201 is a wasteful number, since it uses less digits than its factorization.

121879201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 121879201 is about 11039.8913491030. The cubic root of 121879201 is about 495.8038172828.

The spelling of 121879201 in words is "one hundred twenty-one million, eight hundred seventy-nine thousand, two hundred one".