142101020 has 12 divisors (see below), whose sum is σ = 298412184. Its totient is φ = 56840400.

The previous prime is 142101007. The next prime is 142101031. The reversal of 142101020 is 20101241.

142101020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142100992 and 142101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3552506 + ... + 3552545.

It is an arithmetic number, because the mean of its divisors is an integer number (24867682).

Almost surely, 2^142101020 is an apocalyptic number.

142101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142101020 is an abundant number, since it is smaller than the sum of its proper divisors (156311164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142101020 is a wasteful number, since it uses less digits than its factorization.

142101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105060 (or 7105058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 142101020 is about 11920.6132392591. The cubic root of 142101020 is about 521.8340316842.

Adding to 142101020 its reverse (20101241), we get a palindrome (162202261).

The spelling of 142101020 in words is "one hundred forty-two million, one hundred one thousand, twenty".