1023142264 has 32 divisors (see below), whose sum is σ = 1957843440. Its totient is φ = 501120000.

The previous prime is 1023142247. The next prime is 1023142283. The reversal of 1023142264 is 4622413201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118312 + ... + 126664.

Almost surely, 2^1023142264 is an apocalyptic number.

It is an amenable number.

1023142264 is a deficient number, since it is larger than the sum of its proper divisors (934701176).

1023142264 is a wasteful number, since it uses less digits than its factorization.

1023142264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671 (or 8667 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1023142264 is about 31986.5950673091. The cubic root of 1023142264 is about 1007.6553343118.

Adding to 1023142264 its reverse (4622413201), we get a palindrome (5645555465).

The spelling of 1023142264 in words is "one billion, twenty-three million, one hundred forty-two thousand, two hundred sixty-four".