1127880312 has 96 divisors (see below), whose sum is σ = 3064913280. Its totient is φ = 345720960.

The previous prime is 1127880251. The next prime is 1127880343. The reversal of 1127880312 is 2130887211.

It is a super-2 number, since 2×1127880312² = 2544227996394434688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1974987 + ... + 1975557.

It is an arithmetic number, because the mean of its divisors is an integer number (31926180).

Almost surely, 2^1127880312 is an apocalyptic number.

1127880312 is a gapful number since it is divisible by the number (12) 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 1127880312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532456640).

1127880312 is an abundant number, since it is smaller than the sum of its proper divisors (1937032968).

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

1127880312 is a wasteful number, since it uses less digits than its factorization.

1127880312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 1127880312 is about 33583.9293710548. The cubic root of 1127880312 is about 1040.9287536793.

The spelling of 1127880312 in words is "one billion, one hundred twenty-seven million, eight hundred eighty thousand, three hundred twelve".