1023142004 has 6 divisors (see below), whose sum is σ = 1790498514. Its totient is φ = 511571000.

The previous prime is 1023141997. The next prime is 1023142007. The reversal of 1023142004 is 4002413201.

It can be written as a sum of positive squares in only one way, i.e., 875568100 + 147573904 = 29590^2 + 12148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023142007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127892747 + ... + 127892754.

It is an arithmetic number, because the mean of its divisors is an integer number (298416419).

Almost surely, 2^1023142004 is an apocalyptic number.

It is an amenable number.

1023142004 is a deficient number, since it is larger than the sum of its proper divisors (767356510).

1023142004 is a wasteful number, since it uses less digits than its factorization.

1023142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255785505 (or 255785503 counting only the distinct ones).

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

The square root of 1023142004 is about 31986.5910031063. The cubic root of 1023142004 is about 1007.6552489570.

Adding to 1023142004 its reverse (4002413201), we get a palindrome (5025555205).

The spelling of 1023142004 in words is "one billion, twenty-three million, one hundred forty-two thousand, four".