103420515142 has 12 divisors (see below), whose sum is σ = 180458245980. Its totient is φ = 44323077876.

The previous prime is 103420515103. The next prime is 103420515157. The reversal of 103420515142 is 241515024301.

It is a self number, because there is not a number n which added to its sum of digits gives 103420515142.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 527655592 + ... + 527655787.

It is an arithmetic number, because the mean of its divisors is an integer number (15038187165).

Almost surely, 2^103420515142 is an apocalyptic number.

103420515142 is a deficient number, since it is larger than the sum of its proper divisors (77037730838).

103420515142 is a wasteful number, since it uses less digits than its factorization.

103420515142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055311395 (or 1055311388 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 103420515142 its reverse (241515024301), we get a palindrome (344935539443).

The spelling of 103420515142 in words is "one hundred three billion, four hundred twenty million, five hundred fifteen thousand, one hundred forty-two".