1059781604 has 18 divisors (see below), whose sum is σ = 2157412950. Its totient is φ = 454192032.

The previous prime is 1059781589. The next prime is 1059781621. The reversal of 1059781604 is 4061879501.

It can be written as a sum of positive squares in only one way, i.e., 1054950400 + 4831204 = 32480^2 + 2198^2 .

It is a super-2 number, since 2×1059781604² = 2246274096353625632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2703329 + ... + 2703720.

It is an arithmetic number, because the mean of its divisors is an integer number (119856275).

Almost surely, 2^1059781604 is an apocalyptic number.

1059781604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1059781604 is an abundant number, since it is smaller than the sum of its proper divisors (1097631346).

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

1059781604 is a wasteful number, since it uses less digits than its factorization.

1059781604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407067 (or 5407058 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1059781604 is about 32554.2870295143. The cubic root of 1059781604 is about 1019.5427926559.

The spelling of 1059781604 in words is "one billion, fifty-nine million, seven hundred eighty-one thousand, six hundred four".