1142202242 has 4 divisors (see below), whose sum is σ = 1713303366. Its totient is φ = 571101120.

The previous prime is 1142202221. The next prime is 1142202253. The reversal of 1142202242 is 2422022411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1095676201 + 46526041 = 33101^2 + 6821^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285550559 + ... + 285550562.

Almost surely, 2^1142202242 is an apocalyptic number.

1142202242 is a deficient number, since it is larger than the sum of its proper divisors (571101124).

1142202242 is an equidigital number, since it uses as much as digits as its factorization.

1142202242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571101123.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1142202242 is about 33796.4826868122. The cubic root of 1142202242 is about 1045.3161721202.

Adding to 1142202242 its reverse (2422022411), we get a palindrome (3564224653).

The spelling of 1142202242 in words is "one billion, one hundred forty-two million, two hundred two thousand, two hundred forty-two".