1272315 has 24 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 616000.

The previous prime is 1272289. The next prime is 1272329. The reversal of 1272315 is 5132721.

It is not a de Polignac number, because 1272315 - 2⁵ = 1272283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1272291 and 1272300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1465 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2^1272315 is an apocalyptic number.

1272315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1272315 is a deficient number, since it is larger than the sum of its proper divisors (968469).

1272315 is a wasteful number, since it uses less digits than its factorization.

1272315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 720 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1272315 is about 1127.9694144790. The cubic root of 1272315 is about 108.3589735497.

It can be divided in two parts, 127 and 2315, that added together give a palindrome (2442).

The spelling of 1272315 in words is "one million, two hundred seventy-two thousand, three hundred fifteen".