1272110 has 32 divisors (see below), whose sum is σ = 2773440. Its totient is φ = 410112.

The previous prime is 1272109. The next prime is 1272113. The reversal of 1272110 is 112721.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (86670).

2^1272110 is an apocalyptic number.

1272110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272110 is an abundant number, since it is smaller than the sum of its proper divisors (1501330).

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

1272110 is a wasteful number, since it uses less digits than its factorization.

1272110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1272110 is about 1127.8785395600. The cubic root of 1272110 is about 108.3531535070.

Adding to 1272110 its reverse (112721), we get a palindrome (1384831).

The spelling of 1272110 in words is "one million, two hundred seventy-two thousand, one hundred ten".