1253099424 has 96 divisors (see below), whose sum is σ = 3389674176. Its totient is φ = 405043200.

The previous prime is 1253099423. The next prime is 1253099429. The reversal of 1253099424 is 4249903521.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1253099423) 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 15 ways as a sum of consecutive naturals, for example, 2084724 + ... + 2085324.

It is an arithmetic number, because the mean of its divisors is an integer number (35309106).

Almost surely, 2^1253099424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253099424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694837088).

1253099424 is an abundant number, since it is smaller than the sum of its proper divisors (2136574752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253099424 is a wasteful number, since it uses less digits than its factorization.

1253099424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1253099424 is about 35399.1443964399. The cubic root of 1253099424 is about 1078.1069443664.

The spelling of 1253099424 in words is "one billion, two hundred fifty-three million, ninety-nine thousand, four hundred twenty-four".