1026271253 has 4 divisors (see below), whose sum is σ = 1172881440. Its totient is φ = 879661068.

The previous prime is 1026271243. The next prime is 1026271271. The reversal of 1026271253 is 3521726201.

It is a happy number.

1026271253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1026271253 - 2⁶ = 1026271189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026271223) 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, 73305083 + ... + 73305096.

It is an arithmetic number, because the mean of its divisors is an integer number (293220360).

Almost surely, 2^1026271253 is an apocalyptic number.

It is an amenable number.

1026271253 is a deficient number, since it is larger than the sum of its proper divisors (146610187).

1026271253 is an equidigital number, since it uses as much as digits as its factorization.

1026271253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146610186.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1026271253 is about 32035.4686714585. The cubic root of 1026271253 is about 1008.6814978253.

Adding to 1026271253 its reverse (3521726201), we get a palindrome (4547997454).

The spelling of 1026271253 in words is "one billion, twenty-six million, two hundred seventy-one thousand, two hundred fifty-three".