102741242 has 8 divisors (see below), whose sum is σ = 157019796. Its totient is φ = 50401312.

The previous prime is 102741181. The next prime is 102741257. The reversal of 102741242 is 242147201.

It can be written as a sum of positive squares in 2 ways, for example, as 87067561 + 15673681 = 9331^2 + 3959^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484523 + ... + 484734.

Almost surely, 2^102741242 is an apocalyptic number.

102741242 is a deficient number, since it is larger than the sum of its proper divisors (54278554).

102741242 is an equidigital number, since it uses as much as digits as its factorization.

102741242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969312.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 102741242 is about 10136.1354568692. The cubic root of 102741242 is about 468.3619481875.

Adding to 102741242 its reverse (242147201), we get a palindrome (344888443).

The spelling of 102741242 in words is "one hundred two million, seven hundred forty-one thousand, two hundred forty-two".