121233499 has 2 divisors, whose sum is σ = 121233500. Its totient is φ = 121233498.

The previous prime is 121233493. The next prime is 121233503. The reversal of 121233499 is 994332121.

It is a strong prime.

It is an emirp because it is prime and its reverse (994332121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121233499 - 2³ = 121233491 is a prime.

It is a super-2 number, since 2×121233499² = 29395122559566002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121233491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616749 + 60616750.

It is an arithmetic number, because the mean of its divisors is an integer number (60616750).

Almost surely, 2^121233499 is an apocalyptic number.

121233499 is a deficient number, since it is larger than the sum of its proper divisors (1).

121233499 is an equidigital number, since it uses as much as digits as its factorization.

121233499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 121233499 is about 11010.6084754658. The cubic root of 121233499 is about 494.9266959436.

The spelling of 121233499 in words is "one hundred twenty-one million, two hundred thirty-three thousand, four hundred ninety-nine".