1094520690 has 48 divisors (see below), whose sum is σ = 3013155288. Its totient is φ = 274702848.

The previous prime is 1094520683. The next prime is 1094520733. The reversal of 1094520690 is 960254901.

It can be written as a sum of positive squares in 4 ways, for example, as 891201609 + 203319081 = 29853^2 + 14259^2 .

It is a super-2 number, since 2×1094520690² = 2395951081676152200, which contains 22 as substring.

It is a Curzon 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, 356157 + ... + 359216.

Almost surely, 2^1094520690 is an apocalyptic number.

1094520690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1094520690 is an abundant number, since it is smaller than the sum of its proper divisors (1918634598).

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

1094520690 is a wasteful number, since it uses less digits than its factorization.

1094520690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715403 (or 715400 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1094520690 is about 33083.5410740749. The cubic root of 1094520690 is about 1030.5632668672.

The spelling of 1094520690 in words is "one billion, ninety-four million, five hundred twenty thousand, six hundred ninety".