1142375 has 32 divisors (see below), whose sum is σ = 1659840. Its totient is φ = 777600.

The previous prime is 1142363. The next prime is 1142389. The reversal of 1142375 is 5732411.

It is not a de Polignac number, because 1142375 - 2⁴ = 1142359 is a prime.

1142375 is a Rhonda number in base 10.

Its product of digits (840) is a multiple of the sum of its prime factors (84).

It is a self number, because there is not a number n which added to its sum of digits gives 1142375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30857 + ... + 30893.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2^1142375 is an apocalyptic number.

1142375 is a deficient number, since it is larger than the sum of its proper divisors (517465).

1142375 is a wasteful number, since it uses less digits than its factorization.

1142375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 74 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1142375 is about 1068.8194421884. The cubic root of 1142375 is about 104.5368870793.

Adding to 1142375 its reverse (5732411), we get a palindrome (6874786).

The spelling of 1142375 in words is "one million, one hundred forty-two thousand, three hundred seventy-five".