1122431244 has 96 divisors (see below), whose sum is σ = 2947601664. Its totient is φ = 329521920.

The previous prime is 1122431221. The next prime is 1122431263. The reversal of 1122431244 is 4421342211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579702 + ... + 581634.

It is an arithmetic number, because the mean of its divisors is an integer number (30704184).

Almost surely, 2^1122431244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122431244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473800832).

1122431244 is an abundant number, since it is smaller than the sum of its proper divisors (1825170420).

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

1122431244 is a wasteful number, since it uses less digits than its factorization.

1122431244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087 (or 2085 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1122431244 is about 33502.7050251170. The cubic root of 1122431244 is about 1039.2497189678.

Adding to 1122431244 its reverse (4421342211), we get a palindrome (5543773455).

The spelling of 1122431244 in words is "one billion, one hundred twenty-two million, four hundred thirty-one thousand, two hundred forty-four".