1381234 has 12 divisors (see below), whose sum is σ = 2116782. Its totient is φ = 675920.

The previous prime is 1381231. The next prime is 1381271. The reversal of 1381234 is 4321831.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 247009 = 1065^2 + 497^2 .

It is not an unprimeable number, because it can be changed into a prime (1381231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10014 + ... + 10150.

2^1381234 is an apocalyptic number.

1381234 is a deficient number, since it is larger than the sum of its proper divisors (735548).

1381234 is an equidigital number, since it uses as much as digits as its factorization.

1381234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 210 counting only the distinct ones).

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

The square root of 1381234 is about 1175.2591203645. The cubic root of 1381234 is about 111.3668032166.

The spelling of 1381234 in words is "one million, three hundred eighty-one thousand, two hundred thirty-four".