1267385 has 16 divisors (see below), whose sum is σ = 1776000. Its totient is φ = 867888.

The previous prime is 1267381. The next prime is 1267403. The reversal of 1267385 is 5837621.

It is a happy number.

It is not a de Polignac number, because 1267385 - 2² = 1267381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1267381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (111000).

2^1267385 is an apocalyptic number.

It is an amenable number.

1267385 is a deficient number, since it is larger than the sum of its proper divisors (508615).

1267385 is an frugal number, since it uses more digits than its factorization.

1267385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 751 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 1267385 is about 1125.7819504682. The cubic root of 1267385 is about 108.2188349785.

The spelling of 1267385 in words is "one million, two hundred sixty-seven thousand, three hundred eighty-five".