103420556 has 12 divisors (see below), whose sum is σ = 181111392. Its totient is φ = 51674448.

The previous prime is 103420511. The next prime is 103420607. The reversal of 103420556 is 655024301.

It is a super-2 number, since 2×103420556² = 21391622806698272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835 + ... + 14498.

It is an arithmetic number, because the mean of its divisors is an integer number (15092616).

Almost surely, 2^103420556 is an apocalyptic number.

It is an amenable number.

103420556 is a deficient number, since it is larger than the sum of its proper divisors (77690836).

103420556 is a wasteful number, since it uses less digits than its factorization.

103420556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17920 (or 17918 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 103420556 is about 10169.5897655707. The cubic root of 103420556 is about 469.3919343383.

Adding to 103420556 its reverse (655024301), we get a palindrome (758444857).

The spelling of 103420556 in words is "one hundred three million, four hundred twenty thousand, five hundred fifty-six".