1142113202 has 4 divisors (see below), whose sum is σ = 1713169806. Its totient is φ = 571056600.

The previous prime is 1142113201. The next prime is 1142113229. The reversal of 1142113202 is 2023112411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2023112411 = 71 ⋅28494541.

It can be written as a sum of positive squares in only one way, i.e., 1079845321 + 62267881 = 32861^2 + 7891^2 .

It is not an unprimeable number, because it can be changed into a prime (1142113201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285528299 + ... + 285528302.

Almost surely, 2^1142113202 is an apocalyptic number.

1142113202 is a deficient number, since it is larger than the sum of its proper divisors (571056604).

1142113202 is an equidigital number, since it uses as much as digits as its factorization.

1142113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571056603.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1142113202 is about 33795.1653642943. The cubic root of 1142113202 is about 1045.2890089883.

Adding to 1142113202 its reverse (2023112411), we get a palindrome (3165225613).

The spelling of 1142113202 in words is "one billion, one hundred forty-two million, one hundred thirteen thousand, two hundred two".