1138299 has 4 divisors (see below), whose sum is σ = 1517736. Its totient is φ = 758864.

The previous prime is 1138273. The next prime is 1138363. The reversal of 1138299 is 9928311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9928311 = 3 ⋅3309437.

It is a cyclic number.

It is not a de Polignac number, because 1138299 - 2⁷ = 1138171 is a prime.

It is a super-2 number, since 2×1138299² = 2591449226802, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1138999) 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 3 ways as a sum of consecutive naturals, for example, 189714 + ... + 189719.

It is an arithmetic number, because the mean of its divisors is an integer number (379434).

2^1138299 is an apocalyptic number.

1138299 is a deficient number, since it is larger than the sum of its proper divisors (379437).

1138299 is an equidigital number, since it uses as much as digits as its factorization.

1138299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379436.

The product of its digits is 3888, while the sum is 33.

The square root of 1138299 is about 1066.9109616083. The cubic root of 1138299 is about 104.4124095288.

The spelling of 1138299 in words is "one million, one hundred thirty-eight thousand, two hundred ninety-nine".