1103128852 has 24 divisors (see below), whose sum is σ = 2302183296. Its totient is φ = 452214048.

The previous prime is 1103128823. The next prime is 1103128879. The reversal of 1103128852 is 2588213011.

It is a super-2 number, since 2×1103128852² = 2433786528229675808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855823 + ... + 857110.

It is an arithmetic number, because the mean of its divisors is an integer number (95924304).

Almost surely, 2^1103128852 is an apocalyptic number.

It is an amenable number.

1103128852 is an abundant number, since it is smaller than the sum of its proper divisors (1199054444).

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

1103128852 is a wasteful number, since it uses less digits than its factorization.

1103128852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712967 (or 1712965 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1103128852 is about 33213.3836276884. The cubic root of 1103128852 is about 1033.2579318782.

The spelling of 1103128852 in words is "one billion, one hundred three million, one hundred twenty-eight thousand, eight hundred fifty-two".