1142265202 has 8 divisors (see below), whose sum is σ = 1845197676. Its totient is φ = 527199312.

The previous prime is 1142265127. The next prime is 1142265209. The reversal of 1142265202 is 2025622411.

It can be written as a sum of positive squares in 2 ways, for example, as 1093558761 + 48706441 = 33069^2 + 6979^2 .

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 (1142265209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21966613 + ... + 21966664.

Almost surely, 2^1142265202 is an apocalyptic number.

1142265202 is a deficient number, since it is larger than the sum of its proper divisors (702932474).

1142265202 is a wasteful number, since it uses less digits than its factorization.

1142265202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43933292.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1142265202 is about 33797.4141318533. The cubic root of 1142265202 is about 1045.3353782627.

Adding to 1142265202 its reverse (2025622411), we get a palindrome (3167887613).

The spelling of 1142265202 in words is "one billion, one hundred forty-two million, two hundred sixty-five thousand, two hundred two".