1121222032 has 40 divisors (see below), whose sum is σ = 2590655616. Its totient is φ = 459630336.

The previous prime is 1121221999. The next prime is 1121222051. The reversal of 1121222032 is 2302221211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1121221997 and 1121222015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215053 + ... + 220204.

Almost surely, 2^1121222032 is an apocalyptic number.

It is an amenable number.

1121222032 is an abundant number, since it is smaller than the sum of its proper divisors (1469433584).

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

1121222032 is a wasteful number, since it uses less digits than its factorization.

1121222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435295 (or 435289 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1121222032 is about 33484.6536789617. The cubic root of 1121222032 is about 1038.8763851042.

Adding to 1121222032 its reverse (2302221211), we get a palindrome (3423443243).

The spelling of 1121222032 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, thirty-two".