1270836 has 72 divisors (see below), whose sum is σ = 3859520. Its totient is φ = 354240.

The previous prime is 1270823. The next prime is 1270849. The reversal of 1270836 is 6380721.

It is an interprime number because it is at equal distance from previous prime (1270823) and next prime (1270849).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 30976 + ... + 31016.

2^1270836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1929760).

1270836 is an abundant number, since it is smaller than the sum of its proper divisors (2588684).

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

1270836 is a wasteful number, since it uses less digits than its factorization.

1270836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1270836 is about 1127.3136209591. The cubic root of 1270836 is about 108.3169700466.

The spelling of 1270836 in words is "one million, two hundred seventy thousand, eight hundred thirty-six".