1284741 has 24 divisors (see below), whose sum is σ = 2044224. Its totient is φ = 803520.

The previous prime is 1284739. The next prime is 1284763. The reversal of 1284741 is 1474821.

It is not a de Polignac number, because 1284741 - 2¹ = 1284739 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3976 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (85176).

2^1284741 is an apocalyptic number.

It is an amenable number.

1284741 is a deficient number, since it is larger than the sum of its proper divisors (759483).

1284741 is an equidigital number, since it uses as much as digits as its factorization.

1284741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 331 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1284741 is about 1133.4641591158. The cubic root of 1284741 is about 108.7105921424.

It can be divided in two parts, 1284 and 741, that added together give a square (2025 = 45²).

The spelling of 1284741 in words is "one million, two hundred eighty-four thousand, seven hundred forty-one".