1138474 has 4 divisors (see below), whose sum is σ = 1707714. Its totient is φ = 569236.

The previous prime is 1138457. The next prime is 1138483. The reversal of 1138474 is 4748311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4748311 = 167 ⋅28433.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 50625 = 1043^2 + 225^2 .

It is a super-2 number, since 2×1138474² = 2592246097352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284617 + ... + 284620.

2^1138474 is an apocalyptic number.

1138474 is a deficient number, since it is larger than the sum of its proper divisors (569240).

1138474 is an equidigital number, since it uses as much as digits as its factorization.

1138474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569239.

The product of its digits is 2688, while the sum is 28.

The square root of 1138474 is about 1066.9929709234. The cubic root of 1138474 is about 104.4177599787.

The spelling of 1138474 in words is "one million, one hundred thirty-eight thousand, four hundred seventy-four".