1272104 has 8 divisors (see below), whose sum is σ = 2385210. Its totient is φ = 636048.

The previous prime is 1272091. The next prime is 1272109. The reversal of 1272104 is 4012721.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 252004 = 1010^2 + 502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (1272109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79499 + ... + 79514.

2^1272104 is an apocalyptic number.

It is an amenable number.

1272104 is a deficient number, since it is larger than the sum of its proper divisors (1113106).

1272104 is a wasteful number, since it uses less digits than its factorization.

1272104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159019 (or 159015 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1272104 is about 1127.8758796960. The cubic root of 1272104 is about 108.3529831549.

Adding to 1272104 its reverse (4012721), we get a palindrome (5284825).

The spelling of 1272104 in words is "one million, two hundred seventy-two thousand, one hundred four".