105072503 has 8 divisors (see below), whose sum is σ = 105779520. Its totient is φ = 104368480.

The previous prime is 105072497. The next prime is 105072551. The reversal of 105072503 is 305270501.

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 105072503 - 2¹² = 105068407 is a prime.

It is a super-2 number, since 2×105072503² = 22080461773370018, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105072593) 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, 145778 + ... + 146496.

It is an arithmetic number, because the mean of its divisors is an integer number (13222440).

Almost surely, 2^105072503 is an apocalyptic number.

105072503 is a deficient number, since it is larger than the sum of its proper divisors (707017).

105072503 is an equidigital number, since it uses as much as digits as its factorization.

105072503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 105072503 is about 10250.4879396056. The cubic root of 105072503 is about 471.8779593867.

The spelling of 105072503 in words is "one hundred five million, seventy-two thousand, five hundred three".