1127322780 has 24 divisors (see below), whose sum is σ = 3156503952. Its totient is φ = 300619392.

The previous prime is 1127322769. The next prime is 1127322793. The reversal of 1127322780 is 872237211.

It is a congruent number.

It is an unprimeable number.

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, 9394297 + ... + 9394416.

It is an arithmetic number, because the mean of its divisors is an integer number (131520998).

Almost surely, 2^1127322780 is an apocalyptic number.

1127322780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1127322780 is an abundant number, since it is smaller than the sum of its proper divisors (2029181172).

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

1127322780 is a wasteful number, since it uses less digits than its factorization.

1127322780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18788725 (or 18788723 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1127322780 is about 33575.6277677723. The cubic root of 1127322780 is about 1040.7572086622.

Adding to 1127322780 its reverse (872237211), we get a palindrome (1999559991).

The spelling of 1127322780 in words is "one billion, one hundred twenty-seven million, three hundred twenty-two thousand, seven hundred eighty".