1270218 has 16 divisors (see below), whose sum is σ = 2553120. Its totient is φ = 421296.

The previous prime is 1270201. The next prime is 1270231. The reversal of 1270218 is 8120721.

It is a super-2 number, since 2×1270218² = 3226907535048, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1270194 and 1270203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (159570).

2^1270218 is an apocalyptic number.

1270218 is an abundant number, since it is smaller than the sum of its proper divisors (1282902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270218 is a wasteful number, since it uses less digits than its factorization.

1270218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1270218 is about 1127.0394846677. The cubic root of 1270218 is about 108.2994092333.

Adding to 1270218 its reverse (8120721), we get a palindrome (9390939).

It can be divided in two parts, 12702 and 18, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 1270218 in words is "one million, two hundred seventy thousand, two hundred eighteen".