105403056 has 80 divisors (see below), whose sum is σ = 300516480. Its totient is φ = 31567360.

The previous prime is 105403031. The next prime is 105403057. The reversal of 105403056 is 650304501.

It is a super-2 number, since 2×105403056² = 22219608428278272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (105403057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45871 + ... + 48113.

It is an arithmetic number, because the mean of its divisors is an integer number (3756456).

Almost surely, 2^105403056 is an apocalyptic number.

105403056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105403056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150258240).

105403056 is an abundant number, since it is smaller than the sum of its proper divisors (195113424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105403056 is a wasteful number, since it uses less digits than its factorization.

105403056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 105403056 is about 10266.5990473964. The cubic root of 105403056 is about 472.3722764431.

Adding to 105403056 its reverse (650304501), we get a palindrome (755707557).

The spelling of 105403056 in words is "one hundred five million, four hundred three thousand, fifty-six".