1253822499 has 12 divisors (see below), whose sum is σ = 1812204576. Its totient is φ = 835361232.

The previous prime is 1253822491. The next prime is 1253822501. The reversal of 1253822499 is 9942283521.

1253822499 is a `hidden beast` number, since 1 + 2 + 538 + 2 + 24 + 99 = 666.

It is not a de Polignac number, because 1253822499 - 2³ = 1253822491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253822491) 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, 27819 + ... + 57284.

It is an arithmetic number, because the mean of its divisors is an integer number (151017048).

Almost surely, 2^1253822499 is an apocalyptic number.

1253822499 is a deficient number, since it is larger than the sum of its proper divisors (558382077).

1253822499 is a wasteful number, since it uses less digits than its factorization.

1253822499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86746 (or 86743 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1253822499 is about 35409.3560941173. The cubic root of 1253822499 is about 1078.3142709016.

The spelling of 1253822499 in words is "one billion, two hundred fifty-three million, eight hundred twenty-two thousand, four hundred ninety-nine".