1138750 has 20 divisors (see below), whose sum is σ = 2136816. Its totient is φ = 455000.

The previous prime is 1138741. The next prime is 1138751. The reversal of 1138750 is 578311.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138751) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 795 + ... + 1705.

2^1138750 is an apocalyptic number.

1138750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138750 is a deficient number, since it is larger than the sum of its proper divisors (998066).

1138750 is an frugal number, since it uses more digits than its factorization.

1138750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1138750 is about 1067.1222985207. The cubic root of 1138750 is about 104.4261972884.

The spelling of 1138750 in words is "one million, one hundred thirty-eight thousand, seven hundred fifty".