1023142202 has 4 divisors (see below), whose sum is σ = 1534713306. Its totient is φ = 511571100.

The previous prime is 1023142171. The next prime is 1023142217. The reversal of 1023142202 is 2022413201.

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., 729054001 + 294088201 = 27001^2 + 17149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255785549 + ... + 255785552.

Almost surely, 2^1023142202 is an apocalyptic number.

1023142202 is a deficient number, since it is larger than the sum of its proper divisors (511571104).

1023142202 is an equidigital number, since it uses as much as digits as its factorization.

1023142202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511571103.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1023142202 is about 31986.5940981531. The cubic root of 1023142202 is about 1007.6553139580.

Adding to 1023142202 its reverse (2022413201), we get a palindrome (3045555403).

The spelling of 1023142202 in words is "one billion, twenty-three million, one hundred forty-two thousand, two hundred two".