10102442 has 16 divisors (see below), whose sum is σ = 17367360. Its totient is φ = 4317408.

The previous prime is 10102439. The next prime is 10102481. The reversal of 10102442 is 24420101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5609 + ... + 7187.

It is an arithmetic number, because the mean of its divisors is an integer number (1085460).

Almost surely, 2^10102442 is an apocalyptic number.

10102442 is a deficient number, since it is larger than the sum of its proper divisors (7264918).

10102442 is a wasteful number, since it uses less digits than its factorization.

10102442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10102442 is about 3178.4338910854. The cubic root of 10102442 is about 216.1766530407.

Adding to 10102442 its reverse (24420101), we get a palindrome (34522543).

The spelling of 10102442 in words is "ten million, one hundred two thousand, four hundred forty-two".