1120331640 has 32 divisors (see below), whose sum is σ = 3360995280. Its totient is φ = 298755072.

The previous prime is 1120331629. The next prime is 1120331647. The reversal of 1120331640 is 461330211.

1120331640 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1120331640³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120331647) 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, 4667929 + ... + 4668168.

Almost surely, 2^1120331640 is an apocalyptic number.

1120331640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120331640 is an abundant number, since it is smaller than the sum of its proper divisors (2240663640).

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

1120331640 is a wasteful number, since it uses less digits than its factorization.

1120331640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336111 (or 9336107 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1120331640 is about 33471.3555148279. The cubic root of 1120331640 is about 1038.6013125608.

Adding to 1120331640 its reverse (461330211), we get a palindrome (1581661851).

The spelling of 1120331640 in words is "one billion, one hundred twenty million, three hundred thirty-one thousand, six hundred forty".