1272994 has 8 divisors (see below), whose sum is σ = 2021868. Its totient is φ = 599040.

The previous prime is 1272991. The next prime is 1273001. The reversal of 1272994 is 4992721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1238769 + 34225 = 1113^2 + 185^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 37441 = 1272994 / (1 + 2 + 7 + 2 + 9 + 9 + 4).

It is not an unprimeable number, because it can be changed into a prime (1272991) 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, 18687 + ... + 18754.

2^1272994 is an apocalyptic number.

1272994 is a deficient number, since it is larger than the sum of its proper divisors (748874).

1272994 is a wasteful number, since it uses less digits than its factorization.

1272994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37460.

The product of its digits is 9072, while the sum is 34.

The square root of 1272994 is about 1128.2703576714. The cubic root of 1272994 is about 108.3782462032.

The spelling of 1272994 in words is "one million, two hundred seventy-two thousand, nine hundred ninety-four".