120249809159103 has 24 divisors (see below), whose sum is σ = 187068118255200. Its totient is φ = 73994795259840.

The previous prime is 120249809159089. The next prime is 120249809159119. The reversal of 120249809159103 is 301951908942021.

It is a happy number.

120249809159103 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 49 + 8 + 0 + 9 + 1 + 591 + 0 + 3 = 666.

It is not a de Polignac number, because 120249809159103 - 2¹⁶ = 120249809093567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120249809159103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120249809159503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33618963 + ... + 37023428.

It is an arithmetic number, because the mean of its divisors is an integer number (7794504927300).

Almost surely, 2^{120249809159103} is an apocalyptic number.

120249809159103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120249809159103 is a deficient number, since it is larger than the sum of its proper divisors (66818309096097).

120249809159103 is a wasteful number, since it uses less digits than its factorization.

120249809159103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70656959 (or 70656956 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 120249809159103 in words is "one hundred twenty trillion, two hundred forty-nine billion, eight hundred nine million, one hundred fifty-nine thousand, one hundred three".