1274840 has 64 divisors (see below), whose sum is σ = 3412800. Its totient is φ = 419328.

The previous prime is 1274803. The next prime is 1274851. The reversal of 1274840 is 484721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8042 + ... + 8198.

It is an arithmetic number, because the mean of its divisors is an integer number (53325).

2^1274840 is an apocalyptic number.

1274840 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 1274840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706400).

1274840 is an abundant number, since it is smaller than the sum of its proper divisors (2137960).

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

1274840 is a wasteful number, since it uses less digits than its factorization.

1274840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1274840 is about 1129.0881276499. The cubic root of 1274840 is about 108.4306082236.

The spelling of 1274840 in words is "one million, two hundred seventy-four thousand, eight hundred forty".