1138680 has 48 divisors (see below), whose sum is σ = 3701880. Its totient is φ = 303552.

The previous prime is 1138679. The next prime is 1138681. The reversal of 1138680 is 868311.

It is an interprime number because it is at equal distance from previous prime (1138679) and next prime (1138681).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138681) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1222 + ... + 1941.

2^1138680 is an apocalyptic number.

1138680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138680 is an abundant number, since it is smaller than the sum of its proper divisors (2563200).

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

1138680 is a wasteful number, since it uses less digits than its factorization.

1138680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180 (or 3173 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1138680 is about 1067.0894995266. The cubic root of 1138680 is about 104.4240575201.

The spelling of 1138680 in words is "one million, one hundred thirty-eight thousand, six hundred eighty".