1253054999 has 12 divisors (see below), whose sum is σ = 1504657728. Its totient is φ = 1039399200.

The previous prime is 1253054981. The next prime is 1253055017. The reversal of 1253054999 is 9994503521.

It is an interprime number because it is at equal distance from previous prime (1253054981) and next prime (1253055017).

It is a de Polignac number, because none of the positive numbers 2^k-1253054999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253054399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410942 + ... + 413979.

It is an arithmetic number, because the mean of its divisors is an integer number (125388144).

Almost surely, 2^1253054999 is an apocalyptic number.

1253054999 is a deficient number, since it is larger than the sum of its proper divisors (251602729).

1253054999 is an equidigital number, since it uses as much as digits as its factorization.

1253054999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824966 (or 824959 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 1253054999 is about 35398.5169039608. The cubic root of 1253054999 is about 1078.0942038325.

The spelling of 1253054999 in words is "one billion, two hundred fifty-three million, fifty-four thousand, nine hundred ninety-nine".