42251102 has 4 divisors (see below), whose sum is σ = 63376656. Its totient is φ = 21125550.

The previous prime is 42251093. The next prime is 42251107. The reversal of 42251102 is 20115224.

42251102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251107) by changing a digit.

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 as a sum of consecutive naturals, namely, 10562774 + ... + 10562777.

It is an arithmetic number, because the mean of its divisors is an integer number (15844164).

Almost surely, 2^42251102 is an apocalyptic number.

42251102 is a deficient number, since it is larger than the sum of its proper divisors (21125554).

42251102 is a wasteful number, since it uses less digits than its factorization.

42251102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21125553.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42251102 is about 6500.0847686780. The cubic root of 42251102 is about 348.2940165072.

Adding to 42251102 its reverse (20115224), we get a palindrome (62366326).

The spelling of 42251102 in words is "forty-two million, two hundred fifty-one thousand, one hundred two".