1272200 has 24 divisors (see below), whose sum is σ = 2958330. Its totient is φ = 508800.

The previous prime is 1272191. The next prime is 1272203. The reversal of 1272200 is 22721.

It can be written as a sum of positive squares in 3 ways, for example, as 784996 + 487204 = 886^2 + 698^2 .

It is not an unprimeable number, because it can be changed into a prime (1272203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2981 + ... + 3380.

2^1272200 is an apocalyptic number.

1272200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272200 is an abundant number, since it is smaller than the sum of its proper divisors (1686130).

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

1272200 is a wasteful number, since it uses less digits than its factorization.

1272200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377 (or 6368 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1272200 is about 1127.9184367675. The cubic root of 1272200 is about 108.3557087247.

Adding to 1272200 its reverse (22721), we get a palindrome (1294921).

The spelling of 1272200 in words is "one million, two hundred seventy-two thousand, two hundred".