1023021142 has 64 divisors (see below), whose sum is σ = 1959229440. Its totient is φ = 393465600.

The previous prime is 1023021137. The next prime is 1023021143. The reversal of 1023021142 is 2411203201.

1023021142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023021143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165418 + ... + 171490.

It is an arithmetic number, because the mean of its divisors is an integer number (30612960).

Almost surely, 2^1023021142 is an apocalyptic number.

1023021142 is a deficient number, since it is larger than the sum of its proper divisors (936208298).

1023021142 is a wasteful number, since it uses less digits than its factorization.

1023021142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1023021142 is about 31984.7016869003. The cubic root of 1023021142 is about 1007.6155698691.

Adding to 1023021142 its reverse (2411203201), we get a palindrome (3434224343).

The spelling of 1023021142 in words is "one billion, twenty-three million, twenty-one thousand, one hundred forty-two".