102403412 has 12 divisors (see below), whose sum is σ = 183019200. Its totient is φ = 50112216.

The previous prime is 102403397. The next prime is 102403417. The reversal of 102403412 is 214304201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102403417) 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, 272162 + ... + 272537.

It is an arithmetic number, because the mean of its divisors is an integer number (15251600).

Almost surely, 2^102403412 is an apocalyptic number.

It is an amenable number.

102403412 is a deficient number, since it is larger than the sum of its proper divisors (80615788).

102403412 is a wasteful number, since it uses less digits than its factorization.

102403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544750 (or 544748 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102403412 is about 10119.4571000622. The cubic root of 102403412 is about 467.8480342795.

Adding to 102403412 its reverse (214304201), we get a palindrome (316707613).

The spelling of 102403412 in words is "one hundred two million, four hundred three thousand, four hundred twelve".