1081052604 has 72 divisors (see below), whose sum is σ = 2838064320. Its totient is φ = 346550400.

The previous prime is 1081052549. The next prime is 1081052653. The reversal of 1081052604 is 4062501801.

1081052604 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 0 + 52 + 604 = 666.

It is a congruent number.

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, 281014 + ... + 284834.

It is an arithmetic number, because the mean of its divisors is an integer number (39417560).

Almost surely, 2^1081052604 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 1081052604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419032160).

1081052604 is an abundant number, since it is smaller than the sum of its proper divisors (1757011716).

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

1081052604 is a wasteful number, since it uses less digits than its factorization.

1081052604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1081052604 is about 32879.3644099152. The cubic root of 1081052604 is about 1026.3187796877.

The spelling of 1081052604 in words is "one billion, eighty-one million, fifty-two thousand, six hundred four".