1120261340 has 48 divisors (see below), whose sum is σ = 2608520544. Its totient is φ = 400684800.

The previous prime is 1120261339. The next prime is 1120261361. The reversal of 1120261340 is 431620211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28319 + ... + 55158.

It is an arithmetic number, because the mean of its divisors is an integer number (54344178).

Almost surely, 2^1120261340 is an apocalyptic number.

1120261340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120261340 is an abundant number, since it is smaller than the sum of its proper divisors (1488259204).

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

1120261340 is a wasteful number, since it uses less digits than its factorization.

1120261340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83558 (or 83556 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1120261340 is about 33470.3053466801. The cubic root of 1120261340 is about 1038.5795882794.

Adding to 1120261340 its reverse (431620211), we get a palindrome (1551881551).

The spelling of 1120261340 in words is "one billion, one hundred twenty million, two hundred sixty-one thousand, three hundred forty".