1142506 has 8 divisors (see below), whose sum is σ = 1755684. Its totient is φ = 557280.

The previous prime is 1142503. The next prime is 1142507. The reversal of 1142506 is 6052411.

It can be written as a sum of positive squares in 2 ways, for example, as 1134225 + 8281 = 1065^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1142503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6885 + ... + 7048.

2^1142506 is an apocalyptic number.

1142506 is a deficient number, since it is larger than the sum of its proper divisors (613178).

1142506 is a wasteful number, since it uses less digits than its factorization.

1142506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13976.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1142506 is about 1068.8807229995. The cubic root of 1142506 is about 104.5408827926.

Adding to 1142506 its reverse (6052411), we get a palindrome (7194917).

The spelling of 1142506 in words is "one million, one hundred forty-two thousand, five hundred six".