1075638252 has 48 divisors (see below), whose sum is σ = 2707246080. Its totient is φ = 330431808.

The previous prime is 1075638199. The next prime is 1075638271. The reversal of 1075638252 is 2528365701.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1075638252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97573 + ... + 108035.

It is an arithmetic number, because the mean of its divisors is an integer number (56400960).

Almost surely, 2^1075638252 is an apocalyptic number.

1075638252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1075638252 is an abundant number, since it is smaller than the sum of its proper divisors (1631607828).

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

1075638252 is a wasteful number, since it uses less digits than its factorization.

1075638252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142 (or 11140 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1075638252 is about 32796.9244289766. The cubic root of 1075638252 is about 1024.6025036534.

The spelling of 1075638252 in words is "one billion, seventy-five million, six hundred thirty-eight thousand, two hundred fifty-two".