1224898499 has 4 divisors (see below), whose sum is σ = 1336252920. Its totient is φ = 1113544080.

The previous prime is 1224898487. The next prime is 1224898573. The reversal of 1224898499 is 9948984221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1224898499 - 2²⁰ = 1223849923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224898799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55677194 + ... + 55677215.

It is an arithmetic number, because the mean of its divisors is an integer number (334063230).

Almost surely, 2^1224898499 is an apocalyptic number.

1224898499 is a deficient number, since it is larger than the sum of its proper divisors (111354421).

1224898499 is a wasteful number, since it uses less digits than its factorization.

1224898499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111354420.

The product of its digits is 2985984, while the sum is 56.

The square root of 1224898499 is about 34998.5499556767. The cubic root of 1224898499 is about 1069.9579274225.

The spelling of 1224898499 in words is "one billion, two hundred twenty-four million, eight hundred ninety-eight thousand, four hundred ninety-nine".