121273299 has 12 divisors (see below), whose sum is σ = 200197296. Its totient is φ = 69298992.

The previous prime is 121273297. The next prime is 121273343. The reversal of 121273299 is 992372121.

It is not a de Polignac number, because 121273299 - 2¹ = 121273297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121273297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 962424 + ... + 962549.

It is an arithmetic number, because the mean of its divisors is an integer number (16683108).

Almost surely, 2^121273299 is an apocalyptic number.

121273299 is a deficient number, since it is larger than the sum of its proper divisors (78923997).

121273299 is a wasteful number, since it uses less digits than its factorization.

121273299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924986 (or 1924983 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 121273299 is about 11012.4156750461. The cubic root of 121273299 is about 494.9808501927.

The spelling of 121273299 in words is "one hundred twenty-one million, two hundred seventy-three thousand, two hundred ninety-nine".