1253329700 has 72 divisors (see below), whose sum is σ = 3150964992. Its totient is φ = 423809280.

The previous prime is 1253329691. The next prime is 1253329723. The reversal of 1253329700 is 79233521.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38837 + ... + 63363.

Almost surely, 2^1253329700 is an apocalyptic number.

1253329700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253329700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575482496).

1253329700 is an abundant number, since it is smaller than the sum of its proper divisors (1897635292).

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

1253329700 is a wasteful number, since it uses less digits than its factorization.

1253329700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24621 (or 24614 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1253329700 is about 35402.3968115155. The cubic root of 1253329700 is about 1078.1729798153.

The spelling of 1253329700 in words is "one billion, two hundred fifty-three million, three hundred twenty-nine thousand, seven hundred".