1138853 has 2 divisors, whose sum is σ = 1138854. Its totient is φ = 1138852.

The previous prime is 1138849. The next prime is 1138867. The reversal of 1138853 is 3588311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 588289 + 550564 = 767^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138853 - 2² = 1138849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569426 + 569427.

It is an arithmetic number, because the mean of its divisors is an integer number (569427).

2^1138853 is an apocalyptic number.

It is an amenable number.

1138853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138853 is an equidigital number, since it uses as much as digits as its factorization.

1138853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 1138853 is about 1067.1705580646. The cubic root of 1138853 is about 104.4293456453.

It can be divided in two parts, 1138 and 853, that added together give a palindrome (1991).

The spelling of 1138853 in words is "one million, one hundred thirty-eight thousand, eight hundred fifty-three".