102042418 has 8 divisors (see below), whose sum is σ = 153204012. Its totient is φ = 50974416.

The previous prime is 102042403. The next prime is 102042419. The reversal of 102042418 is 814240201.

It can be written as a sum of positive squares in 2 ways, for example, as 101747569 + 294849 = 10087^2 + 543^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102042419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20605 + ... + 25072.

Almost surely, 2^102042418 is an apocalyptic number.

102042418 is a deficient number, since it is larger than the sum of its proper divisors (51161594).

102042418 is a wasteful number, since it uses less digits than its factorization.

102042418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46796.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 102042418 is about 10101.6047240030. The cubic root of 102042418 is about 467.2976321077.

Adding to 102042418 its reverse (814240201), we get a palindrome (916282619).

The spelling of 102042418 in words is "one hundred two million, forty-two thousand, four hundred eighteen".