1270215 has 24 divisors (see below), whose sum is σ = 2281680. Its totient is φ = 670464.

The previous prime is 1270201. The next prime is 1270231. The reversal of 1270215 is 5120721.

It is not a de Polignac number, because 1270215 - 2⁵ = 1270183 is a prime.

It is a super-2 number, since 2×1270215² = 3226892292450, 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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13047 + ... + 13143.

It is an arithmetic number, because the mean of its divisors is an integer number (95070).

2^1270215 is an apocalyptic number.

1270215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1270215 is a deficient number, since it is larger than the sum of its proper divisors (1011465).

1270215 is an frugal number, since it uses more digits than its factorization.

1270215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1270215 is about 1127.0381537464. The cubic root of 1270215 is about 108.2993239727.

Adding to 1270215 its reverse (5120721), we get a palindrome (6390936).

It can be divided in two parts, 1270 and 215, that added together give a triangular number (1485 = T₅₄).

The spelling of 1270215 in words is "one million, two hundred seventy thousand, two hundred fifteen".