1123326490 has 48 divisors (see below), whose sum is σ = 2393511624. Its totient is φ = 377055360.

The previous prime is 1123326473. The next prime is 1123326511. The reversal of 1123326490 is 946233211.

It can be written as a sum of positive squares in 4 ways, for example, as 703363441 + 419963049 = 26521^2 + 20493^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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, 19977 + ... + 51436.

Almost surely, 2^1123326490 is an apocalyptic number.

1123326490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123326490 is an abundant number, since it is smaller than the sum of its proper divisors (1270185134).

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

1123326490 is a wasteful number, since it uses less digits than its factorization.

1123326490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71455 (or 71444 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1123326490 is about 33516.0631638025. The cubic root of 1123326490 is about 1039.5259458078.

The spelling of 1123326490 in words is "one billion, one hundred twenty-three million, three hundred twenty-six thousand, four hundred ninety".