102416242 has 4 divisors (see below), whose sum is σ = 153624366. Its totient is φ = 51208120.

The previous prime is 102416233. The next prime is 102416269. The reversal of 102416242 is 242614201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242614201 = 14827 ⋅16363.

It can be written as a sum of positive squares in only one way, i.e., 96020401 + 6395841 = 9799^2 + 2529^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25604059 + ... + 25604062.

Almost surely, 2^102416242 is an apocalyptic number.

102416242 is a deficient number, since it is larger than the sum of its proper divisors (51208124).

102416242 is an equidigital number, since it uses as much as digits as its factorization.

102416242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51208123.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 102416242 is about 10120.0910074959. The cubic root of 102416242 is about 467.8675721689.

The spelling of 102416242 in words is "one hundred two million, four hundred sixteen thousand, two hundred forty-two".