1112221040 has 40 divisors (see below), whose sum is σ = 2955331680. Its totient is φ = 381332736.

The previous prime is 1112221027. The next prime is 1112221049. The reversal of 1112221040 is 401222111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112221049) 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, 992495 + ... + 993614.

It is an arithmetic number, because the mean of its divisors is an integer number (73883292).

Almost surely, 2^1112221040 is an apocalyptic number.

1112221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112221040 is an abundant number, since it is smaller than the sum of its proper divisors (1843110640).

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

1112221040 is a wasteful number, since it uses less digits than its factorization.

1112221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986129 (or 1986123 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1112221040 is about 33349.9781109373. The cubic root of 1112221040 is about 1036.0889345893.

Adding to 1112221040 its reverse (401222111), we get a palindrome (1513443151).

The spelling of 1112221040 in words is "one billion, one hundred twelve million, two hundred twenty-one thousand, forty".