1242234 has 24 divisors (see below), whose sum is σ = 3076320. Its totient is φ = 354888.

The previous prime is 1242233. The next prime is 1242251. The reversal of 1242234 is 4322421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1242233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4804 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (128180).

2^1242234 is an apocalyptic number.

1242234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1242234 is an abundant number, since it is smaller than the sum of its proper divisors (1834086).

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

1242234 is a wasteful number, since it uses less digits than its factorization.

1242234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874 (or 9871 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1242234 is about 1114.5555167868. Note that the first 4 decimals coincide. The cubic root of 1242234 is about 107.4981863765.

Adding to 1242234 its reverse (4322421), we get a palindrome (5564655).

The spelling of 1242234 in words is "one million, two hundred forty-two thousand, two hundred thirty-four".