1111421244 has 24 divisors (see below), whose sum is σ = 2663406928. Its totient is φ = 360460800.

The previous prime is 1111421243. The next prime is 1111421251. The reversal of 1111421244 is 4421241111.

It is a super-2 number, since 2×1111421244² = 2470514363229015072, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1111421244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111421243) 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, 1251157 + ... + 1252044.

Almost surely, 2^1111421244 is an apocalyptic number.

It is an amenable number.

1111421244 is an abundant number, since it is smaller than the sum of its proper divisors (1551985684).

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

1111421244 is a wasteful number, since it uses less digits than its factorization.

1111421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503245 (or 2503243 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1111421244 is about 33337.9850020963. The cubic root of 1111421244 is about 1035.8405251862.

Adding to 1111421244 its reverse (4421241111), we get a palindrome (5532662355).

The spelling of 1111421244 in words is "one billion, one hundred eleven million, four hundred twenty-one thousand, two hundred forty-four".