1122131340 has 96 divisors (see below), whose sum is σ = 3808465920. Its totient is φ = 272030400.

The previous prime is 1122131333. The next prime is 1122131341. The reversal of 1122131340 is 431312211.

1122131340 is a `hidden beast` number, since 112 + 213 + 1 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1122131341) 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, 88516 + ... + 100395.

It is an arithmetic number, because the mean of its divisors is an integer number (39671520).

Almost surely, 2^1122131340 is an apocalyptic number.

1122131340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122131340 is an abundant number, since it is smaller than the sum of its proper divisors (2686334580).

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

1122131340 is a wasteful number, since it uses less digits than its factorization.

1122131340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188940 (or 188932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1122131340 is about 33498.2289084065. The cubic root of 1122131340 is about 1039.1571511862.

Adding to 1122131340 its reverse (431312211), we get a palindrome (1553443551).

The spelling of 1122131340 in words is "one billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred forty".