1273141 has 4 divisors (see below), whose sum is σ = 1282572. Its totient is φ = 1263712.

The previous prime is 1273127. The next prime is 1273157. The reversal of 1273141 is 1413721.

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 378225 + 894916 = 615^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1273141 - 2⁵ = 1273109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273121) 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, 4510 + ... + 4783.

It is an arithmetic number, because the mean of its divisors is an integer number (320643).

2^1273141 is an apocalyptic number.

It is an amenable number.

1273141 is a deficient number, since it is larger than the sum of its proper divisors (9431).

1273141 is an equidigital number, since it uses as much as digits as its factorization.

1273141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9430.

The product of its digits is 168, while the sum is 19.

The square root of 1273141 is about 1128.3354997517. The cubic root of 1273141 is about 108.3824177309.

Adding to 1273141 its reverse (1413721), we get a palindrome (2686862).

It can be divided in two parts, 12 and 73141, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 1273141 in words is "one million, two hundred seventy-three thousand, one hundred forty-one".