1122153412 has 6 divisors (see below), whose sum is σ = 1963768478. Its totient is φ = 561076704.

The previous prime is 1122153401. The next prime is 1122153421. The reversal of 1122153412 is 2143512211.

It can be written as a sum of positive squares in only one way, i.e., 1121982016 + 171396 = 33496^2 + 414^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140269173 + ... + 140269180.

Almost surely, 2^1122153412 is an apocalyptic number.

It is an amenable number.

1122153412 is a deficient number, since it is larger than the sum of its proper divisors (841615066).

1122153412 is a wasteful number, since it uses less digits than its factorization.

1122153412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280538357 (or 280538355 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1122153412 is about 33498.5583570398. The cubic root of 1122153412 is about 1039.1639644488.

Adding to 1122153412 its reverse (2143512211), we get a palindrome (3265665623).

The spelling of 1122153412 in words is "one billion, one hundred twenty-two million, one hundred fifty-three thousand, four hundred twelve".