102135412 has 12 divisors (see below), whose sum is σ = 188144320. Its totient is φ = 48379896.

The previous prime is 102135409. The next prime is 102135413. The reversal of 102135412 is 214531201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 102135412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102135413) 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, 671868 + ... + 672019.

Almost surely, 2^102135412 is an apocalyptic number.

It is an amenable number.

102135412 is a deficient number, since it is larger than the sum of its proper divisors (86008908).

102135412 is a wasteful number, since it uses less digits than its factorization.

102135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343910 (or 1343908 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 102135412 is about 10106.2066078227. The cubic root of 102135412 is about 467.4395426409.

Adding to 102135412 its reverse (214531201), we get a palindrome (316666613).

It can be divided in two parts, 10213 and 5412, that added together give a 6-th power (15625 = 5⁶).

The spelling of 102135412 in words is "one hundred two million, one hundred thirty-five thousand, four hundred twelve".