1027402273 has 4 divisors (see below), whose sum is σ = 1055169940. Its totient is φ = 999634608.

The previous prime is 1027402267. The next prime is 1027402283. The reversal of 1027402273 is 3722047201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 949132864 + 78269409 = 30808^2 + 8847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027402273 - 2⁵ = 1027402241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027402213) 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, 13883778 + ... + 13883851.

It is an arithmetic number, because the mean of its divisors is an integer number (263792485).

Almost surely, 2^1027402273 is an apocalyptic number.

It is an amenable number.

1027402273 is a deficient number, since it is larger than the sum of its proper divisors (27767667).

1027402273 is an equidigital number, since it uses as much as digits as its factorization.

1027402273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27767666.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 1027402273 is about 32053.1164319478. The cubic root of 1027402273 is about 1009.0519067553.

Adding to 1027402273 its reverse (3722047201), we get a palindrome (4749449474).

The spelling of 1027402273 in words is "one billion, twenty-seven million, four hundred two thousand, two hundred seventy-three".