1122254045 has 32 divisors (see below), whose sum is σ = 1515386880. Its totient is φ = 790888000.

The previous prime is 1122254011. The next prime is 1122254047. The reversal of 1122254045 is 5404522211.

It is not a de Polignac number, because 1122254045 - 2¹⁰ = 1122253021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122254047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227960 + ... + 232830.

It is an arithmetic number, because the mean of its divisors is an integer number (47355840).

Almost surely, 2^1122254045 is an apocalyptic number.

It is an amenable number.

1122254045 is a deficient number, since it is larger than the sum of its proper divisors (393132835).

1122254045 is a wasteful number, since it uses less digits than its factorization.

1122254045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1122254045 is about 33500.0603730799. The cubic root of 1122254045 is about 1039.1950270647.

Adding to 1122254045 its reverse (5404522211), we get a palindrome (6526776256).

The spelling of 1122254045 in words is "one billion, one hundred twenty-two million, two hundred fifty-four thousand, forty-five".