1138375 has 16 divisors (see below), whose sum is σ = 1624896. Its totient is φ = 780000.

The previous prime is 1138369. The next prime is 1138391. The reversal of 1138375 is 5738311.

It is not a de Polignac number, because 1138375 - 2³ = 1138367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2^1138375 is an apocalyptic number.

1138375 is a deficient number, since it is larger than the sum of its proper divisors (486521).

1138375 is an equidigital number, since it uses as much as digits as its factorization.

1138375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1313 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 1138375 is about 1066.9465778566. The cubic root of 1138375 is about 104.4147332202.

The spelling of 1138375 in words is "one million, one hundred thirty-eight thousand, three hundred seventy-five".