1020100142 has 8 divisors (see below), whose sum is σ = 1530461856. Its totient is φ = 509946192.

The previous prime is 1020100099. The next prime is 1020100171. The reversal of 1020100142 is 2410010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 39023 + ... + 59690.

It is an arithmetic number, because the mean of its divisors is an integer number (191307732).

Almost surely, 2^1020100142 is an apocalyptic number.

1020100142 is a deficient number, since it is larger than the sum of its proper divisors (510361714).

1020100142 is an equidigital number, since it uses as much as digits as its factorization.

1020100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103882.

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

The square root of 1020100142 is about 31939.0065906878. The cubic root of 1020100142 is about 1006.6556513616.

Adding to 1020100142 its reverse (2410010201), we get a palindrome (3430110343).

The spelling of 1020100142 in words is "one billion, twenty million, one hundred thousand, one hundred forty-two".