103802561 has 8 divisors (see below), whose sum is σ = 110776320. Its totient is φ = 96925248.

The previous prime is 103802551. The next prime is 103802581. The reversal of 103802561 is 165208301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103802561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103802561.

It is not an unprimeable number, because it can be changed into a prime (103802551) 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, 21881 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (13847040).

Almost surely, 2^103802561 is an apocalyptic number.

It is an amenable number.

103802561 is a deficient number, since it is larger than the sum of its proper divisors (6973759).

103802561 is a wasteful number, since it uses less digits than its factorization.

103802561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48223.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 103802561 is about 10188.3541850487. The cubic root of 103802561 is about 469.9691559659.

The spelling of 103802561 in words is "one hundred three million, eight hundred two thousand, five hundred sixty-one".