103542819 has 16 divisors (see below), whose sum is σ = 139898880. Its totient is φ = 68114240.

The previous prime is 103542797. The next prime is 103542827. The reversal of 103542819 is 918245301.

It is a cyclic number.

It is not a de Polignac number, because 103542819 - 2¹¹ = 103540771 is a prime.

It is a super-3 number, since 3×103542819³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 103542819.

It is not an unprimeable number, because it can be changed into a prime (103542899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77842 + ... + 79160.

It is an arithmetic number, because the mean of its divisors is an integer number (8743680).

Almost surely, 2^103542819 is an apocalyptic number.

103542819 is a deficient number, since it is larger than the sum of its proper divisors (36356061).

103542819 is a wasteful number, since it uses less digits than its factorization.

103542819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 103542819 is about 10175.5991961162. The cubic root of 103542819 is about 469.5768320288.

The spelling of 103542819 in words is "one hundred three million, five hundred forty-two thousand, eight hundred nineteen".