1142106 has 32 divisors (see below), whose sum is σ = 2654208. Its totient is φ = 320880.

The previous prime is 1142083. The next prime is 1142129. The reversal of 1142106 is 6012411.

It is an interprime number because it is at equal distance from previous prime (1142083) and next prime (1142129).

It is a super-2 number, since 2×1142106² = 2608812230472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (82944).

2^1142106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327104).

1142106 is an abundant number, since it is smaller than the sum of its proper divisors (1512102).

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

1142106 is a wasteful number, since it uses less digits than its factorization.

1142106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1142106 is about 1068.6935950028. The cubic root of 1142106 is about 104.5286811837.

Adding to 1142106 its reverse (6012411), we get a palindrome (7154517).

The spelling of 1142106 in words is "one million, one hundred forty-two thousand, one hundred six".