1270813258 has 16 divisors (see below), whose sum is σ = 2239475616. Its totient is φ = 533208240.

The previous prime is 1270813253. The next prime is 1270813259. The reversal of 1270813258 is 8523180721.

It is a super-2 number, since 2×1270813258² = 3229932673417149128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270813253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221416 + ... + 2221987.

It is an arithmetic number, because the mean of its divisors is an integer number (139967226).

Almost surely, 2^1270813258 is an apocalyptic number.

1270813258 is a deficient number, since it is larger than the sum of its proper divisors (968662358).

1270813258 is a wasteful number, since it uses less digits than its factorization.

1270813258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443429.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1270813258 is about 35648.4678212122. The cubic root of 1270813258 is about 1083.1632392095.

Adding to 1270813258 its reverse (8523180721), we get a palindrome (9793993979).

The spelling of 1270813258 in words is "one billion, two hundred seventy million, eight hundred thirteen thousand, two hundred fifty-eight".