1127185940 has 24 divisors (see below), whose sum is σ = 2424826152. Its totient is φ = 439877120.

The previous prime is 1127185937. The next prime is 1127185967. The reversal of 1127185940 is 495817211.

It can be written as a sum of positive squares in 4 ways, for example, as 6543364 + 1120642576 = 2558^2 + 33476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1127185894 and 1127185903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686489 + ... + 688128.

It is an arithmetic number, because the mean of its divisors is an integer number (101034423).

Almost surely, 2^1127185940 is an apocalyptic number.

1127185940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1127185940 is an abundant number, since it is smaller than the sum of its proper divisors (1297640212).

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

1127185940 is a wasteful number, since it uses less digits than its factorization.

1127185940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374667 (or 1374665 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1127185940 is about 33573.5899182676. The cubic root of 1127185940 is about 1040.7150962103.

The spelling of 1127185940 in words is "one billion, one hundred twenty-seven million, one hundred eighty-five thousand, nine hundred forty".