1272602 has 4 divisors (see below), whose sum is σ = 1908906. Its totient is φ = 636300.

The previous prime is 1272589. The next prime is 1272617. The reversal of 1272602 is 2062721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 290521 = 991^2 + 539^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 318149 + ... + 318152.

2^1272602 is an apocalyptic number.

1272602 is a deficient number, since it is larger than the sum of its proper divisors (636304).

1272602 is an equidigital number, since it uses as much as digits as its factorization.

1272602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636303.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1272602 is about 1128.0966270670. The cubic root of 1272602 is about 108.3671205592.

The spelling of 1272602 in words is "one million, two hundred seventy-two thousand, six hundred two".