1270842 has 16 divisors (see below), whose sum is σ = 2652480. Its totient is φ = 405152.

The previous prime is 1270823. The next prime is 1270849. The reversal of 1270842 is 2480721.

It is not an unprimeable number, because it can be changed into a prime (1270849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4467 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (165780).

2^1270842 is an apocalyptic number.

1270842 is an abundant number, since it is smaller than the sum of its proper divisors (1381638).

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

1270842 is a wasteful number, since it uses less digits than its factorization.

1270842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9237.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1270842 is about 1127.3162821498. The cubic root of 1270842 is about 108.3171405120.

It can be divided in two parts, 1270 and 842, that added together give a palindrome (2112).

The spelling of 1270842 in words is "one million, two hundred seventy thousand, eight hundred forty-two".