1273104 has 80 divisors (see below), whose sum is σ = 4186240. Its totient is φ = 362880.

The previous prime is 1273099. The next prime is 1273109. The reversal of 1273104 is 4013721.

It is an interprime number because it is at equal distance from previous prime (1273099) and next prime (1273109).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1273109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2814 + ... + 3234.

It is an arithmetic number, because the mean of its divisors is an integer number (52328).

2^1273104 is an apocalyptic number.

1273104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2093120).

1273104 is an abundant number, since it is smaller than the sum of its proper divisors (2913136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273104 is a wasteful number, since it uses less digits than its factorization.

1273104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1273104 is about 1128.3191038000. The cubic root of 1273104 is about 108.3813677847.

Adding to 1273104 its reverse (4013721), we get a palindrome (5286825).

The spelling of 1273104 in words is "one million, two hundred seventy-three thousand, one hundred four".