1122053645 has 32 divisors (see below), whose sum is σ = 1477872000. Its totient is φ = 814544640.

The previous prime is 1122053641. The next prime is 1122053657. The reversal of 1122053645 is 5463502211.

It is not a de Polignac number, because 1122053645 - 2² = 1122053641 is a prime.

It is a super-3 number, since 3×1122053645³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122053641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359351 + ... + 362459.

It is an arithmetic number, because the mean of its divisors is an integer number (46183500).

Almost surely, 2^1122053645 is an apocalyptic number.

It is an amenable number.

1122053645 is a deficient number, since it is larger than the sum of its proper divisors (355818355).

1122053645 is a wasteful number, since it uses less digits than its factorization.

1122053645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1122053645 is about 33497.0692001554. The cubic root of 1122053645 is about 1039.1331673098.

Adding to 1122053645 its reverse (5463502211), we get a palindrome (6585555856).

The spelling of 1122053645 in words is "one billion, one hundred twenty-two million, fifty-three thousand, six hundred forty-five".