100103056 has 20 divisors (see below), whose sum is σ = 199192732. Its totient is φ = 48698496.

The previous prime is 100103053. The next prime is 100103071. The reversal of 100103056 is 650301001.

It can be written as a sum of positive squares in 2 ways, for example, as 37945600 + 62157456 = 6160^2 + 7884^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (100103053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83955 + ... + 85138.

Almost surely, 2^100103056 is an apocalyptic number.

100103056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100103056 is a deficient number, since it is larger than the sum of its proper divisors (99089676).

100103056 is a wasteful number, since it uses less digits than its factorization.

100103056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169138 (or 169132 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 100103056 is about 10005.1514731162. The cubic root of 100103056 is about 464.3182764787.

Adding to 100103056 its reverse (650301001), we get a palindrome (750404057).

The spelling of 100103056 in words is "one hundred million, one hundred three thousand, fifty-six".