1253824478 has 12 divisors (see below), whose sum is σ = 1984933800. Its totient is φ = 593916516.

The previous prime is 1253824471. The next prime is 1253824501. The reversal of 1253824478 is 8744283521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253824471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867578 + ... + 869021.

It is an arithmetic number, because the mean of its divisors is an integer number (165411150).

Almost surely, 2^1253824478 is an apocalyptic number.

1253824478 is a deficient number, since it is larger than the sum of its proper divisors (731109322).

1253824478 is a wasteful number, since it uses less digits than its factorization.

1253824478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736639 (or 1736620 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 1253824478 is about 35409.3840386980. The cubic root of 1253824478 is about 1078.3148382287.

The spelling of 1253824478 in words is "one billion, two hundred fifty-three million, eight hundred twenty-four thousand, four hundred seventy-eight".