1242168 has 32 divisors (see below), whose sum is σ = 3152400. Its totient is φ = 407808.

The previous prime is 1242167. The next prime is 1242169. The reversal of 1242168 is 8612421.

It is an interprime number because it is at equal distance from previous prime (1242167) and next prime (1242169).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242167) 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, 1398 + ... + 2106.

2^1242168 is an apocalyptic number.

It is an amenable number.

1242168 is an abundant number, since it is smaller than the sum of its proper divisors (1910232).

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

1242168 is a wasteful number, since it uses less digits than its factorization.

1242168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1242168 is about 1114.5259081780. The cubic root of 1242168 is about 107.4962825468.

Adding to 1242168 its reverse (8612421), we get a palindrome (9854589).

The spelling of 1242168 in words is "one million, two hundred forty-two thousand, one hundred sixty-eight".