1270263 has 12 divisors (see below), whose sum is σ = 1741560. Its totient is φ = 823536.

The previous prime is 1270249. The next prime is 1270271. The reversal of 1270263 is 3620721.

It is a happy number.

It is not a de Polignac number, because 1270263 - 2⁵ = 1270231 is a prime.

It is a super-2 number, since 2×1270263² = 3227136178338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5433 + ... + 5661.

It is an arithmetic number, because the mean of its divisors is an integer number (145130).

2^1270263 is an apocalyptic number.

1270263 is a deficient number, since it is larger than the sum of its proper divisors (471297).

1270263 is an equidigital number, since it uses as much as digits as its factorization.

1270263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1270263 is about 1127.0594482990. The cubic root of 1270263 is about 108.3006881255.

Adding to 1270263 its reverse (3620721), we get a palindrome (4890984).

The spelling of 1270263 in words is "one million, two hundred seventy thousand, two hundred sixty-three".