42100102 has 8 divisors (see below), whose sum is σ = 68891112. Its totient is φ = 19136400.

The previous prime is 42100087. The next prime is 42100103. The reversal of 42100102 is 20100124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956799 + ... + 956842.

It is an arithmetic number, because the mean of its divisors is an integer number (8611389).

Almost surely, 2^42100102 is an apocalyptic number.

42100102 is a deficient number, since it is larger than the sum of its proper divisors (26791010).

42100102 is a wasteful number, since it uses less digits than its factorization.

42100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913654.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 42100102 is about 6488.4591391177. The cubic root of 42100102 is about 347.8786019065.

Adding to 42100102 its reverse (20100124), we get a palindrome (62200226).

The spelling of 42100102 in words is "forty-two million, one hundred thousand, one hundred two".