1121222053 has 16 divisors (see below), whose sum is σ = 1361950720. Its totient is φ = 901615536.

The previous prime is 1121222051. The next prime is 1121222059. The reversal of 1121222053 is 3502221211.

It is a cyclic number.

It is not a de Polignac number, because 1121222053 - 2¹ = 1121222051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121222053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27225 + ... + 54622.

It is an arithmetic number, because the mean of its divisors is an integer number (85121920).

Almost surely, 2^1121222053 is an apocalyptic number.

It is an amenable number.

1121222053 is a deficient number, since it is larger than the sum of its proper divisors (240728667).

1121222053 is a wasteful number, since it uses less digits than its factorization.

1121222053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81976.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1121222053 is about 33484.6539925381. The cubic root of 1121222053 is about 1038.8763915901.

Adding to 1121222053 its reverse (3502221211), we get a palindrome (4623443264).

The spelling of 1121222053 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, fifty-three".