1122271292 has 24 divisors (see below), whose sum is σ = 2058352800. Its totient is φ = 534384576.

The previous prime is 1122271289. The next prime is 1122271301. The reversal of 1122271292 is 2921722211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5567 + ... + 47702.

It is an arithmetic number, because the mean of its divisors is an integer number (85764700).

Almost surely, 2^1122271292 is an apocalyptic number.

It is an amenable number.

1122271292 is a deficient number, since it is larger than the sum of its proper divisors (936081508).

1122271292 is a wasteful number, since it uses less digits than its factorization.

1122271292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53525 (or 53523 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 1122271292 is about 33500.3177895375. The cubic root of 1122271292 is about 1039.2003505488.

The spelling of 1122271292 in words is "one billion, one hundred twenty-two million, two hundred seventy-one thousand, two hundred ninety-two".