1111122040 has 96 divisors (see below), whose sum is σ = 3079354320. Its totient is φ = 358536192.

The previous prime is 1111122011. The next prime is 1111122041. The reversal of 1111122040 is 402211111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111122040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111122041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16647 + ... + 49993.

Almost surely, 2^1111122040 is an apocalyptic number.

1111122040 is a gapful number since it is divisible by the number (10) 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 1111122040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539677160).

1111122040 is an abundant number, since it is smaller than the sum of its proper divisors (1968232280).

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

1111122040 is a wasteful number, since it uses less digits than its factorization.

1111122040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33389 (or 33378 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1111122040 is about 33333.4972662636. The cubic root of 1111122040 is about 1035.7475645000.

Adding to 1111122040 its reverse (402211111), we get a palindrome (1513333151).

The spelling of 1111122040 in words is "one billion, one hundred eleven million, one hundred twenty-two thousand, forty".