1123582660 has 24 divisors (see below), whose sum is σ = 2462112576. Its totient is φ = 429892320.

The previous prime is 1123582633. The next prime is 1123582661. The reversal of 1123582660 is 662853211.

It is not an unprimeable number, because it can be changed into a prime (1123582661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220826 + ... + 1221745.

It is an arithmetic number, because the mean of its divisors is an integer number (102588024).

Almost surely, 2^1123582660 is an apocalyptic number.

1123582660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123582660 is an abundant number, since it is smaller than the sum of its proper divisors (1338529916).

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

1123582660 is a wasteful number, since it uses less digits than its factorization.

1123582660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442603 (or 2442601 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1123582660 is about 33519.8845463405. The cubic root of 1123582660 is about 1039.6049596783.

The spelling of 1123582660 in words is "one billion, one hundred twenty-three million, five hundred eighty-two thousand, six hundred sixty".