121025119 has 4 divisors (see below), whose sum is σ = 121058560. Its totient is φ = 120991680.

The previous prime is 121025111. The next prime is 121025143. The reversal of 121025119 is 911520121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121025119 - 2³ = 121025111 is a prime.

It is a super-2 number, since 2×121025119² = 29294158857928322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121025119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121025111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10527 + ... + 18784.

It is an arithmetic number, because the mean of its divisors is an integer number (30264640).

Almost surely, 2^121025119 is an apocalyptic number.

121025119 is a deficient number, since it is larger than the sum of its proper divisors (33441).

121025119 is an equidigital number, since it uses as much as digits as its factorization.

121025119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33440.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 121025119 is about 11001.1417134768. The cubic root of 121025119 is about 494.6429680643.

The spelling of 121025119 in words is "one hundred twenty-one million, twenty-five thousand, one hundred nineteen".