103720971 has 8 divisors (see below), whose sum is σ = 138362944. Its totient is φ = 69113160.

The previous prime is 103720949. The next prime is 103720973. The reversal of 103720971 is 179027301.

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

It is not a de Polignac number, because 103720971 - 2⁹ = 103720459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103720973) 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, 325 + ... + 14406.

It is an arithmetic number, because the mean of its divisors is an integer number (17295368).

Almost surely, 2^103720971 is an apocalyptic number.

103720971 is a deficient number, since it is larger than the sum of its proper divisors (34641973).

103720971 is a wasteful number, since it uses less digits than its factorization.

103720971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17081.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 103720971 is about 10184.3493164757. The cubic root of 103720971 is about 469.8459899800.

The spelling of 103720971 in words is "one hundred three million, seven hundred twenty thousand, nine hundred seventy-one".