1142141 has 24 divisors (see below), whose sum is σ = 1570464. Its totient is φ = 816480.

The previous prime is 1142131. The next prime is 1142159. The reversal of 1142141 is 1412411.

It is a de Polignac number, because none of the positive numbers 2^k-1142141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6926 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (65436).

2^1142141 is an apocalyptic number.

1142141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142141 is a deficient number, since it is larger than the sum of its proper divisors (428323).

1142141 is a wasteful number, since it uses less digits than its factorization.

1142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 194 counting only the distinct ones).

The product of its digits is 32, while the sum is 14.

The square root of 1142141 is about 1068.7099700106. The cubic root of 1142141 is about 104.5297489382.

Adding to 1142141 its reverse (1412411), we get a palindrome (2554552).

The spelling of 1142141 in words is "one million, one hundred forty-two thousand, one hundred forty-one".