1137880 has 16 divisors (see below), whose sum is σ = 2560320. Its totient is φ = 455136.

The previous prime is 1137869. The next prime is 1137881. The reversal of 1137880 is 887311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14184 + ... + 14263.

It is an arithmetic number, because the mean of its divisors is an integer number (160020).

2^1137880 is an apocalyptic number.

1137880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137880 is an abundant number, since it is smaller than the sum of its proper divisors (1422440).

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

1137880 is a wasteful number, since it uses less digits than its factorization.

1137880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28458 (or 28454 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1137880 is about 1066.7145822571. The cubic root of 1137880 is about 104.3995967943.

The spelling of 1137880 in words is "one million, one hundred thirty-seven thousand, eight hundred eighty".