1272368 has 20 divisors (see below), whose sum is σ = 2482728. Its totient is φ = 631680.

The previous prime is 1272367. The next prime is 1272377. The reversal of 1272368 is 8632721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272368.

It is not an unprimeable number, because it can be changed into a prime (1272361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4355 + ... + 4637.

2^1272368 is an apocalyptic number.

It is an amenable number.

1272368 is a deficient number, since it is larger than the sum of its proper divisors (1210360).

1272368 is a wasteful number, since it uses less digits than its factorization.

1272368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 1272368 is about 1127.9929077791. The cubic root of 1272368 is about 108.3604781419.

The spelling of 1272368 in words is "one million, two hundred seventy-two thousand, three hundred sixty-eight".