121449119 has 4 divisors (see below), whose sum is σ = 132489960. Its totient is φ = 110408280.

The previous prime is 121449073. The next prime is 121449137. The reversal of 121449119 is 911944121.

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 121449119 - 2⁸ = 121448863 is a prime.

It is a super-2 number, since 2×121449119² = 29499777011752322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121449179) 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, 5520404 + ... + 5520425.

It is an arithmetic number, because the mean of its divisors is an integer number (33122490).

Almost surely, 2^121449119 is an apocalyptic number.

121449119 is a deficient number, since it is larger than the sum of its proper divisors (11040841).

121449119 is a wasteful number, since it uses less digits than its factorization.

121449119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040840.

The product of its digits is 2592, while the sum is 32.

The square root of 121449119 is about 11020.3955918107. The cubic root of 121449119 is about 495.2199396725.

The spelling of 121449119 in words is "one hundred twenty-one million, four hundred forty-nine thousand, one hundred nineteen".