1182122240 has 144 divisors (see below), whose sum is σ = 3210715200. Its totient is φ = 413392896.

The previous prime is 1182122203. The next prime is 1182122257. The reversal of 1182122240 is 422212811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314291 + ... + 318029.

Almost surely, 2^1182122240 is an apocalyptic number.

1182122240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1182122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605357600).

1182122240 is an abundant number, since it is smaller than the sum of its proper divisors (2028592960).

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

1182122240 is a wasteful number, since it uses less digits than its factorization.

1182122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1182122240 is about 34382.0045954275. The cubic root of 1182122240 is about 1057.3549335554.

The spelling of 1182122240 in words is "one billion, one hundred eighty-two million, one hundred twenty-two thousand, two hundred forty".