101002142 has 8 divisors (see below), whose sum is σ = 151573800. Its totient is φ = 50477544.

The previous prime is 101002129. The next prime is 101002169. The reversal of 101002142 is 241200101.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5792 + ... + 15347.

It is an arithmetic number, because the mean of its divisors is an integer number (18946725).

Almost surely, 2^101002142 is an apocalyptic number.

101002142 is a deficient number, since it is larger than the sum of its proper divisors (50571658).

101002142 is a wasteful number, since it uses less digits than its factorization.

101002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23530.

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

The square root of 101002142 is about 10049.9821890389. The cubic root of 101002142 is about 465.7042429401.

Adding to 101002142 its reverse (241200101), we get a palindrome (342202243).

The spelling of 101002142 in words is "one hundred one million, two thousand, one hundred forty-two".