1253634888 has 64 divisors (see below), whose sum is σ = 3511437120. Its totient is φ = 369619200.

The previous prime is 1253634883. The next prime is 1253634911. The reversal of 1253634888 is 8884363521.

It is not an unprimeable number, because it can be changed into a prime (1253634883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54403 + ... + 73938.

It is an arithmetic number, because the mean of its divisors is an integer number (54866205).

Almost surely, 2^1253634888 is an apocalyptic number.

It is an amenable number.

1253634888 is an abundant number, since it is smaller than the sum of its proper divisors (2257802232).

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

1253634888 is a wasteful number, since it uses less digits than its factorization.

1253634888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128398 (or 128394 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 1253634888 is about 35406.7068222957. The cubic root of 1253634888 is about 1078.2604850560.

The spelling of 1253634888 in words is "one billion, two hundred fifty-three million, six hundred thirty-four thousand, eight hundred eighty-eight".