1243074 has 32 divisors (see below), whose sum is σ = 3010176. Its totient is φ = 334080.

The previous prime is 1243013. The next prime is 1243093. The reversal of 1243074 is 4703421.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243074.

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, 157 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (94068).

2^1243074 is an apocalyptic number.

1243074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1243074 is an abundant number, since it is smaller than the sum of its proper divisors (1767102).

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

1243074 is a wasteful number, since it uses less digits than its factorization.

1243074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1243074 is about 1114.9322849393. The cubic root of 1243074 is about 107.5224110477.

Adding to 1243074 its reverse (4703421), we get a palindrome (5946495).

The spelling of 1243074 in words is "one million, two hundred forty-three thousand, seventy-four".