1142535 has 16 divisors (see below), whose sum is σ = 1860480. Its totient is φ = 598560.

The previous prime is 1142509. The next prime is 1142539. The reversal of 1142535 is 5352411.

It is not a de Polignac number, because 1142535 - 2⁵ = 1142503 is a prime.

1142535 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142539) by changing a digit.

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, 240 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (116280).

2^1142535 is an apocalyptic number.

1142535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142535 is a deficient number, since it is larger than the sum of its proper divisors (717945).

1142535 is a wasteful number, since it uses less digits than its factorization.

1142535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its digits is 600, while the sum is 21.

The square root of 1142535 is about 1068.8942885057. The cubic root of 1142535 is about 104.5417672985.

Adding to 1142535 its reverse (5352411), we get a palindrome (6494946).

The spelling of 1142535 in words is "one million, one hundred forty-two thousand, five hundred thirty-five".