1272395 has 8 divisors (see below), whose sum is σ = 1576320. Its totient is φ = 984960.

The previous prime is 1272379. The next prime is 1272409. The reversal of 1272395 is 5932721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1272395 - 2⁴ = 1272379 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3950 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (197040).

2^1272395 is an apocalyptic number.

1272395 is a deficient number, since it is larger than the sum of its proper divisors (303925).

1272395 is an equidigital number, since it uses as much as digits as its factorization.

1272395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245.

The product of its digits is 3780, while the sum is 29.

The square root of 1272395 is about 1128.0048758760. The cubic root of 1272395 is about 108.3612446163.

The spelling of 1272395 in words is "one million, two hundred seventy-two thousand, three hundred ninety-five".