1032781104 has 120 divisors (see below), whose sum is σ = 3026143120. Its totient is φ = 340962048.

The previous prime is 1032781097. The next prime is 1032781117. The reversal of 1032781104 is 4011872301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422574 + ... + 425010.

Almost surely, 2^1032781104 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 1032781104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513071560).

1032781104 is an abundant number, since it is smaller than the sum of its proper divisors (1993362016).

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

1032781104 is a wasteful number, since it uses less digits than its factorization.

1032781104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2551 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1032781104 is about 32136.9118615962. The cubic root of 1032781104 is about 1010.8097626543.

The spelling of 1032781104 in words is "one billion, thirty-two million, seven hundred eighty-one thousand, one hundred four".