42661102 has 8 divisors (see below), whose sum is σ = 69809112. Its totient is φ = 19391400.

The previous prime is 42661079. The next prime is 42661103. The reversal of 42661102 is 20116624.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1939141 = 42661102 / (4 + 2 + 6 + 6 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42661103) 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, 969549 + ... + 969592.

It is an arithmetic number, because the mean of its divisors is an integer number (8726139).

Almost surely, 2^42661102 is an apocalyptic number.

42661102 is a deficient number, since it is larger than the sum of its proper divisors (27148010).

42661102 is a wasteful number, since it uses less digits than its factorization.

42661102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939154.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 42661102 is about 6531.5466774723. The cubic root of 42661102 is about 349.4169940338.

Adding to 42661102 its reverse (20116624), we get a palindrome (62777726).

The spelling of 42661102 in words is "forty-two million, six hundred sixty-one thousand, one hundred two".