102001404242 has 8 divisors (see below), whose sum is σ = 153201071100. Its totient is φ = 50934380544.

The previous prime is 102001404173. The next prime is 102001404269. The reversal of 102001404242 is 242404100201.

It can be written as a sum of positive squares in 2 ways, for example, as 101773122361 + 228281881 = 319019^2 + 15109^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33158867 + ... + 33161942.

Almost surely, 2^102001404242 is an apocalyptic number.

102001404242 is a deficient number, since it is larger than the sum of its proper divisors (51199666858).

102001404242 is an equidigital number, since it uses as much as digits as its factorization.

102001404242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66321580.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102001404242 its reverse (242404100201), we get a palindrome (344405504443).

The spelling of 102001404242 in words is "one hundred two billion, one million, four hundred four thousand, two hundred forty-two".