102434412 has 12 divisors (see below), whose sum is σ = 239013656. Its totient is φ = 34144800.

The previous prime is 102434407. The next prime is 102434413. The reversal of 102434412 is 214434201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (102434413) 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, 4268089 + ... + 4268112.

Almost surely, 2^102434412 is an apocalyptic number.

102434412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102434412 is an abundant number, since it is smaller than the sum of its proper divisors (136579244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102434412 is a wasteful number, since it uses less digits than its factorization.

102434412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536208 (or 8536206 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 102434412 is about 10120.9886868823. The cubic root of 102434412 is about 467.8952391709.

Adding to 102434412 its reverse (214434201), we get a palindrome (316868613).

The spelling of 102434412 in words is "one hundred two million, four hundred thirty-four thousand, four hundred twelve".