1272963 has 8 divisors (see below), whose sum is σ = 1706176. Its totient is φ = 844200.

The previous prime is 1272961. The next prime is 1272983. The reversal of 1272963 is 3692721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1272963 - 2¹ = 1272961 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272963.

It is not an unprimeable number, because it can be changed into a prime (1272961) 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, 373 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (213272).

2^1272963 is an apocalyptic number.

1272963 is a deficient number, since it is larger than the sum of its proper divisors (433213).

1272963 is a wasteful number, since it uses less digits than its factorization.

1272963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225.

The product of its digits is 4536, while the sum is 30.

The square root of 1272963 is about 1128.2566197457. The cubic root of 1272963 is about 108.3773664523.

The spelling of 1272963 in words is "one million, two hundred seventy-two thousand, nine hundred sixty-three".