121404499 has 2 divisors, whose sum is σ = 121404500. Its totient is φ = 121404498.

The previous prime is 121404467. The next prime is 121404529. The reversal of 121404499 is 994404121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121404499 - 2⁵ = 121404467 is a prime.

It is not a weakly prime, because it can be changed into another prime (121404449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60702249 + 60702250.

It is an arithmetic number, because the mean of its divisors is an integer number (60702250).

Almost surely, 2^121404499 is an apocalyptic number.

121404499 is a deficient number, since it is larger than the sum of its proper divisors (1).

121404499 is an equidigital number, since it uses as much as digits as its factorization.

121404499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 121404499 is about 11018.3709775992. The cubic root of 121404499 is about 495.1592848608.

The spelling of 121404499 in words is "one hundred twenty-one million, four hundred four thousand, four hundred ninety-nine".