121444499 has 8 divisors (see below), whose sum is σ = 132641280. Its totient is φ = 110273800.

The previous prime is 121444487. The next prime is 121444511. The reversal of 121444499 is 994444121.

It is an interprime number because it is at equal distance from previous prime (121444487) and next prime (121444511).

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 121444499 - 2²⁰ = 120395923 is a prime.

It is a super-2 number, since 2×121444499² = 29497532674722002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121444429) 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, 3962 + ... + 16080.

It is an arithmetic number, because the mean of its divisors is an integer number (16580160).

Almost surely, 2^121444499 is an apocalyptic number.

121444499 is a deficient number, since it is larger than the sum of its proper divisors (11196781).

121444499 is a wasteful number, since it uses less digits than its factorization.

121444499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041.

The product of its digits is 41472, while the sum is 38.

The square root of 121444499 is about 11020.1859784670. The cubic root of 121444499 is about 495.2136601014.

The spelling of 121444499 in words is "one hundred twenty-one million, four hundred forty-four thousand, four hundred ninety-nine".