1271234 has 4 divisors (see below), whose sum is σ = 1906854. Its totient is φ = 635616.

The previous prime is 1271227. The next prime is 1271239. The reversal of 1271234 is 4321721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4321721 = 19 ⋅227459.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 265225 = 1003^2 + 515^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1271239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317807 + ... + 317810.

2^1271234 is an apocalyptic number.

1271234 is a deficient number, since it is larger than the sum of its proper divisors (635620).

1271234 is an equidigital number, since it uses as much as digits as its factorization.

1271234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635619.

The product of its digits is 336, while the sum is 20.

The square root of 1271234 is about 1127.4901329945. The cubic root of 1271234 is about 108.3282764240.

Adding to 1271234 its reverse (4321721), we get a palindrome (5592955).

The spelling of 1271234 in words is "one million, two hundred seventy-one thousand, two hundred thirty-four".