103142120242 has 16 divisors (see below), whose sum is σ = 176837310720. Its totient is φ = 44198203968.

The previous prime is 103142120173. The next prime is 103142120267. The reversal of 103142120242 is 242021241301.

It is a super-2 number, since 2×103142120242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347242 + ... + 571717.

It is an arithmetic number, because the mean of its divisors is an integer number (11052331920).

Almost surely, 2^103142120242 is an apocalyptic number.

103142120242 is a deficient number, since it is larger than the sum of its proper divisors (73695190478).

103142120242 is an equidigital number, since it uses as much as digits as its factorization.

103142120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926985.

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

Adding to 103142120242 its reverse (242021241301), we get a palindrome (345163361543).

The spelling of 103142120242 in words is "one hundred three billion, one hundred forty-two million, one hundred twenty thousand, two hundred forty-two".