1122661632 has 72 divisors (see below), whose sum is σ = 3015554080. Its totient is φ = 370759680.

The previous prime is 1122661609. The next prime is 1122661649. The reversal of 1122661632 is 2361662211.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1122661632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77007 + ... + 90417.

Almost surely, 2^1122661632 is an apocalyptic number.

1122661632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122661632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507777040).

1122661632 is an abundant number, since it is smaller than the sum of its proper divisors (1892892448).

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

1122661632 is a wasteful number, since it uses less digits than its factorization.

1122661632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13539 (or 13525 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 1122661632 is about 33506.1431979272. The cubic root of 1122661632 is about 1039.3208188788.

The spelling of 1122661632 in words is "one billion, one hundred twenty-two million, six hundred sixty-one thousand, six hundred thirty-two".