1020004142 has 16 divisors (see below), whose sum is σ = 1546376832. Its totient is φ = 504574560.

The previous prime is 1020004127. The next prime is 1020004147. The reversal of 1020004142 is 2414000201.

1020004142 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 (1020004147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64163 + ... + 78465.

It is an arithmetic number, because the mean of its divisors is an integer number (96648552).

Almost surely, 2^1020004142 is an apocalyptic number.

1020004142 is a deficient number, since it is larger than the sum of its proper divisors (526372690).

1020004142 is a wasteful number, since it uses less digits than its factorization.

1020004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14683.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1020004142 is about 31937.5036908021. The cubic root of 1020004142 is about 1006.6240721175.

Adding to 1020004142 its reverse (2414000201), we get a palindrome (3434004343).

The spelling of 1020004142 in words is "one billion, twenty million, four thousand, one hundred forty-two".