103720247 has 8 divisors (see below), whose sum is σ = 110459376. Its totient is φ = 97052032.

The previous prime is 103720229. The next prime is 103720261. The reversal of 103720247 is 742027301.

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

It is a cyclic number.

It is not a de Polignac number, because 103720247 - 2¹⁴ = 103703863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103720207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14693 + ... + 20574.

It is an arithmetic number, because the mean of its divisors is an integer number (13807422).

Almost surely, 2^103720247 is an apocalyptic number.

103720247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

103720247 is a deficient number, since it is larger than the sum of its proper divisors (6739129).

103720247 is a wasteful number, since it uses less digits than its factorization.

103720247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35457.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 103720247 is about 10184.3137716785. The cubic root of 103720247 is about 469.8448967607.

Adding to 103720247 its reverse (742027301), we get a palindrome (845747548).

The spelling of 103720247 in words is "one hundred three million, seven hundred twenty thousand, two hundred forty-seven".