1012273 has 4 divisors (see below), whose sum is σ = 1014388. Its totient is φ = 1010160.

The previous prime is 1012267. The next prime is 1012279. The reversal of 1012273 is 3722101.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1012267) and next prime (1012279).

It can be written as a sum of positive squares in 2 ways, for example, as 788544 + 223729 = 888^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012273 - 2⁵ = 1012241 is a prime.

It is a Duffinian number.

1012273 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012279) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 43 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (253597).

2^1012273 is an apocalyptic number.

It is an amenable number.

1012273 is a deficient number, since it is larger than the sum of its proper divisors (2115).

1012273 is an equidigital number, since it uses as much as digits as its factorization.

1012273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1012273 is about 1006.1177863451. The cubic root of 1012273 is about 100.4074376907.

Adding to 1012273 its reverse (3722101), we get a palindrome (4734374).

The spelling of 1012273 in words is "one million, twelve thousand, two hundred seventy-three".