1142075 has 12 divisors (see below), whose sum is σ = 1545288. Its totient is φ = 830400.

The previous prime is 1142069. The next prime is 1142083. The reversal of 1142075 is 5702411.

It is not a de Polignac number, because 1142075 - 2⁴ = 1142059 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1802 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (128774).

2^1142075 is an apocalyptic number.

1142075 is a deficient number, since it is larger than the sum of its proper divisors (403213).

1142075 is a wasteful number, since it uses less digits than its factorization.

1142075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1142075 is about 1068.6790912149. The cubic root of 1142075 is about 104.5277354400.

Adding to 1142075 its reverse (5702411), we get a palindrome (6844486).

The spelling of 1142075 in words is "one million, one hundred forty-two thousand, seventy-five".