1274320 has 40 divisors (see below), whose sum is σ = 3140424. Its totient is φ = 479232.

The previous prime is 1274309. The next prime is 1274323. The reversal of 1274320 is 234721.

It can be written as a sum of positive squares in 4 ways, for example, as 46656 + 1227664 = 216^2 + 1108^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274323) 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, 892 + ... + 1828.

2^1274320 is an apocalyptic number.

1274320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570212).

1274320 is an abundant number, since it is smaller than the sum of its proper divisors (1866104).

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

1274320 is a wasteful number, since it uses less digits than its factorization.

1274320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1274320 is about 1128.8578298440. The cubic root of 1274320 is about 108.4158634754.

The spelling of 1274320 in words is "one million, two hundred seventy-four thousand, three hundred twenty".