1122090772 has 24 divisors (see below), whose sum is σ = 2182596192. Its totient is φ = 500416800.

The previous prime is 1122090769. The next prime is 1122090863. The reversal of 1122090772 is 2770902211.

It is a happy number.

It is a congruent number.

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, 238254 + ... + 242917.

It is an arithmetic number, because the mean of its divisors is an integer number (90941508).

Almost surely, 2^1122090772 is an apocalyptic number.

It is an amenable number.

1122090772 is a deficient number, since it is larger than the sum of its proper divisors (1060505420).

1122090772 is a wasteful number, since it uses less digits than its factorization.

1122090772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481239 (or 481237 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1122090772 is about 33497.6233783831. The cubic root of 1122090772 is about 1039.1446282804.

Adding to 1122090772 its reverse (2770902211), we get a palindrome (3892992983).

The spelling of 1122090772 in words is "one billion, one hundred twenty-two million, ninety thousand, seven hundred seventy-two".