102403012 has 24 divisors (see below), whose sum is σ = 182000000. Its totient is φ = 50409216.

The previous prime is 102402983. The next prime is 102403043. The reversal of 102403012 is 210304201.

It is a junction number, because it is equal to n+sod(n) for n = 102402983 and 102403001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81364 + ... + 82612.

Almost surely, 2^102403012 is an apocalyptic number.

It is an amenable number.

102403012 is a deficient number, since it is larger than the sum of its proper divisors (79596988).

102403012 is a wasteful number, since it uses less digits than its factorization.

102403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102403012 is about 10119.4373361368. The cubic root of 102403012 is about 467.8474251219.

Adding to 102403012 its reverse (210304201), we get a palindrome (312707213).

The spelling of 102403012 in words is "one hundred two million, four hundred three thousand, twelve".