1122135144 has 32 divisors (see below), whose sum is σ = 3021133920. Its totient is φ = 345272256.

The previous prime is 1122135143. The next prime is 1122135151. The reversal of 1122135144 is 4415312211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1122135143) 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 7 ways as a sum of consecutive naturals, for example, 1797982 + ... + 1798605.

It is an arithmetic number, because the mean of its divisors is an integer number (94410435).

Almost surely, 2^1122135144 is an apocalyptic number.

It is an amenable number.

1122135144 is an abundant number, since it is smaller than the sum of its proper divisors (1898998776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122135144 is a wasteful number, since it uses less digits than its factorization.

1122135144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596609 (or 3596605 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1122135144 is about 33498.2856874796. The cubic root of 1122135144 is about 1039.1583254247.

Adding to 1122135144 its reverse (4415312211), we get a palindrome (5537447355).

The spelling of 1122135144 in words is "one billion, one hundred twenty-two million, one hundred thirty-five thousand, one hundred forty-four".