1234381 has 4 divisors (see below), whose sum is σ = 1236700. Its totient is φ = 1232064.

The previous prime is 1234379. The next prime is 1234391. The reversal of 1234381 is 1834321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 756900 = 691^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234381 - 2¹ = 1234379 is a prime.

It is a super-2 number, since 2×1234381² = 3047392906322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (309175).

2^1234381 is an apocalyptic number.

It is an amenable number.

1234381 is a deficient number, since it is larger than the sum of its proper divisors (2319).

1234381 is an equidigital number, since it uses as much as digits as its factorization.

1234381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its digits is 576, while the sum is 22.

The square root of 1234381 is about 1111.0270023721. The cubic root of 1234381 is about 107.2711844816.

The spelling of 1234381 in words is "one million, two hundred thirty-four thousand, three hundred eighty-one".