103206512 has 20 divisors (see below), whose sum is σ = 204841056. Its totient is φ = 50344320.

The previous prime is 103206511. The next prime is 103206539. The reversal of 103206512 is 215602301.

It is a super-2 number, since 2×103206512² = 21303168238412288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103206511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78008 + ... + 79319.

Almost surely, 2^103206512 is an apocalyptic number.

It is an amenable number.

103206512 is a deficient number, since it is larger than the sum of its proper divisors (101634544).

103206512 is a wasteful number, since it uses less digits than its factorization.

103206512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157376 (or 157370 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103206512 is about 10159.0605864913. The cubic root of 103206512 is about 469.0678855427.

Adding to 103206512 its reverse (215602301), we get a palindrome (318808813).

The spelling of 103206512 in words is "one hundred three million, two hundred six thousand, five hundred twelve".