1331274 has 32 divisors (see below), whose sum is σ = 3150720. Its totient is φ = 366912.

The previous prime is 1331269. The next prime is 1331279. The reversal of 1331274 is 4721331.

It is an interprime number because it is at equal distance from previous prime (1331269) and next prime (1331279).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1331274.

It is not an unprimeable number, because it can be changed into a prime (1331279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672 + ... + 1764.

It is an arithmetic number, because the mean of its divisors is an integer number (98460).

2^1331274 is an apocalyptic number.

1331274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575360).

1331274 is an abundant number, since it is smaller than the sum of its proper divisors (1819446).

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

1331274 is a wasteful number, since it uses less digits than its factorization.

1331274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its digits is 504, while the sum is 21.

The square root of 1331274 is about 1153.8084763079. The cubic root of 1331274 is about 110.0075476915.

The spelling of 1331274 in words is "one million, three hundred thirty-one thousand, two hundred seventy-four".