1020273 has 8 divisors (see below), whose sum is σ = 1368000. Its totient is φ = 676368.

The previous prime is 1020269. The next prime is 1020293. The reversal of 1020273 is 3720201.

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

It is not a de Polignac number, because 1020273 - 2² = 1020269 is a prime.

1020273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1020223) 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 7 ways as a sum of consecutive naturals, for example, 258 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (171000).

2^1020273 is an apocalyptic number.

It is an amenable number.

1020273 is a deficient number, since it is larger than the sum of its proper divisors (347727).

1020273 is a wasteful number, since it uses less digits than its factorization.

1020273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 1020273 is about 1010.0856399336. The cubic root of 1020273 is about 100.6712508085.

Adding to 1020273 its reverse (3720201), we get a palindrome (4740474).

The spelling of 1020273 in words is "one million, twenty thousand, two hundred seventy-three".