121745299 has 8 divisors (see below), whose sum is σ = 132409872. Its totient is φ = 111266400.

The previous prime is 121745263. The next prime is 121745303. The reversal of 121745299 is 992547121.

It is a happy number.

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 121745299 - 2¹³ = 121737107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121745699) 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, 45049 + ... + 47674.

It is an arithmetic number, because the mean of its divisors is an integer number (16551234).

Almost surely, 2^121745299 is an apocalyptic number.

121745299 is a deficient number, since it is larger than the sum of its proper divisors (10664573).

121745299 is a wasteful number, since it uses less digits than its factorization.

121745299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92837.

The product of its digits is 45360, while the sum is 40.

The square root of 121745299 is about 11033.8252206567. The cubic root of 121745299 is about 495.6221799190.

The spelling of 121745299 in words is "one hundred twenty-one million, seven hundred forty-five thousand, two hundred ninety-nine".