1122312135 has 16 divisors (see below), whose sum is σ = 2052228096. Its totient is φ = 513056928.

The previous prime is 1122312131. The next prime is 1122312187. The reversal of 1122312135 is 5312132211.

It is not a de Polignac number, because 1122312135 - 2² = 1122312131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122312131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5344239 + ... + 5344448.

It is an arithmetic number, because the mean of its divisors is an integer number (128264256).

Almost surely, 2^1122312135 is an apocalyptic number.

1122312135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122312135 is a deficient number, since it is larger than the sum of its proper divisors (929915961).

1122312135 is a wasteful number, since it uses less digits than its factorization.

1122312135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10688702.

The product of its digits is 360, while the sum is 21.

The square root of 1122312135 is about 33500.9273752235. The cubic root of 1122312135 is about 1039.2129569912.

Adding to 1122312135 its reverse (5312132211), we get a palindrome (6434444346).

The spelling of 1122312135 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, one hundred thirty-five".