103720911 has 8 divisors (see below), whose sum is σ = 158050944. Its totient is φ = 59269080.

The previous prime is 103720909. The next prime is 103720913. The reversal of 103720911 is 119027301.

It is an interprime number because it is at equal distance from previous prime (103720909) and next prime (103720913).

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

It is not a de Polignac number, because 103720911 - 2¹ = 103720909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103720913) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2469525 + ... + 2469566.

It is an arithmetic number, because the mean of its divisors is an integer number (19756368).

Almost surely, 2^103720911 is an apocalyptic number.

103720911 is a deficient number, since it is larger than the sum of its proper divisors (54330033).

103720911 is an equidigital number, since it uses as much as digits as its factorization.

103720911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939101.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 103720911 is about 10184.3463707790. The cubic root of 103720911 is about 469.8458993819.

The spelling of 103720911 in words is "one hundred three million, seven hundred twenty thousand, nine hundred eleven".