1272106 has 16 divisors (see below), whose sum is σ = 2122848. Its totient is φ = 566800.

The previous prime is 1272091. The next prime is 1272109. The reversal of 1272106 is 6012721.

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 in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 1711.

It is an arithmetic number, because the mean of its divisors is an integer number (132678).

2^1272106 is an apocalyptic number.

1272106 is a deficient number, since it is larger than the sum of its proper divisors (850742).

1272106 is a wasteful number, since it uses less digits than its factorization.

1272106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

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

The square root of 1272106 is about 1127.8767663180. The cubic root of 1272106 is about 108.3530399390.

Adding to 1272106 its reverse (6012721), we get a palindrome (7284827).

It can be divided in two parts, 1272 and 106, that added together give a triangular number (1378 = T₅₂).

The spelling of 1272106 in words is "one million, two hundred seventy-two thousand, one hundred six".