1302273 has 18 divisors (see below), whose sum is σ = 2188914. Its totient is φ = 743904.

The previous prime is 1302269. The next prime is 1302277. The reversal of 1302273 is 3722031.

It is an interprime number because it is at equal distance from previous prime (1302269) and next prime (1302277).

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 63504 = 1113^2 + 252^2 .

It is not a de Polignac number, because 1302273 - 2² = 1302269 is a prime.

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302277) 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 17 ways as a sum of consecutive naturals, for example, 1036 + ... + 1917.

2^1302273 is an apocalyptic number.

It is an amenable number.

1302273 is a deficient number, since it is larger than the sum of its proper divisors (886641).

1302273 is a wasteful number, since it uses less digits than its factorization.

1302273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1302273 is about 1141.1717662123. The cubic root of 1302273 is about 109.2028598857.

The spelling of 1302273 in words is "one million, three hundred two thousand, two hundred seventy-three".