1138495 has 4 divisors (see below), whose sum is σ = 1366200. Its totient is φ = 910792.

The previous prime is 1138483. The next prime is 1138519. The reversal of 1138495 is 5948311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1138495 - 2⁷ = 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 3 ways as a sum of consecutive naturals, for example, 113845 + ... + 113854.

It is an arithmetic number, because the mean of its divisors is an integer number (341550).

2^1138495 is an apocalyptic number.

1138495 is a deficient number, since it is larger than the sum of its proper divisors (227705).

1138495 is an equidigital number, since it uses as much as digits as its factorization.

1138495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227704.

The product of its digits is 4320, while the sum is 31.

The square root of 1138495 is about 1067.0028116177. The cubic root of 1138495 is about 104.4184019959.

The spelling of 1138495 in words is "one million, one hundred thirty-eight thousand, four hundred ninety-five".