102402432 has 96 divisors (see below), whose sum is σ = 321501960. Its totient is φ = 31027200.

The previous prime is 102402427. The next prime is 102402437. The reversal of 102402432 is 234204201.

It is an interprime number because it is at equal distance from previous prime (102402427) and next prime (102402437).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8632 + ... + 16712.

Almost surely, 2^102402432 is an apocalyptic number.

102402432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160750980).

102402432 is an abundant number, since it is smaller than the sum of its proper divisors (219099528).

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

102402432 is a wasteful number, since it uses less digits than its factorization.

102402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102402432 is about 10119.4086783764. The cubic root of 102402432 is about 467.8465418405.

Adding to 102402432 its reverse (234204201), we get a palindrome (336606633).

The spelling of 102402432 in words is "one hundred two million, four hundred two thousand, four hundred thirty-two".