1131602112 has 84 divisors (see below), whose sum is σ = 3254477616. Its totient is φ = 375928320.

The previous prime is 1131602107. The next prime is 1131602141. The reversal of 1131602112 is 2112061311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175978 + ... + 182294.

Almost surely, 2^1131602112 is an apocalyptic number.

1131602112 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 1131602112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627238808).

1131602112 is an abundant number, since it is smaller than the sum of its proper divisors (2122875504).

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

1131602112 is a wasteful number, since it uses less digits than its factorization.

1131602112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646 (or 6633 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1131602112 is about 33639.2941661980. The cubic root of 1131602112 is about 1042.0724551526.

Adding to 1131602112 its reverse (2112061311), we get a palindrome (3243663423).

The spelling of 1131602112 in words is "one billion, one hundred thirty-one million, six hundred two thousand, one hundred twelve".