1270813262 has 4 divisors (see below), whose sum is σ = 1906219896. Its totient is φ = 635406630.

The previous prime is 1270813259. The next prime is 1270813283. The reversal of 1270813262 is 2623180721.

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

It is a super-2 number, since 2×1270813262² = 3229932693750161288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317703314 + ... + 317703317.

It is an arithmetic number, because the mean of its divisors is an integer number (476554974).

Almost surely, 2^1270813262 is an apocalyptic number.

1270813262 is a deficient number, since it is larger than the sum of its proper divisors (635406634).

1270813262 is an equidigital number, since it uses as much as digits as its factorization.

1270813262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635406633.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1270813262 is about 35648.4678773156. The cubic root of 1270813262 is about 1083.1632403459.

Adding to 1270813262 its reverse (2623180721), we get a palindrome (3893993983).

The spelling of 1270813262 in words is "one billion, two hundred seventy million, eight hundred thirteen thousand, two hundred sixty-two".