102603432 has 64 divisors (see below), whose sum is σ = 273214080. Its totient is φ = 31997952.

The previous prime is 102603377. The next prime is 102603433. The reversal of 102603432 is 234306201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102603399 and 102603408.

It is not an unprimeable number, because it can be changed into a prime (102603433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78093 + ... + 79395.

It is an arithmetic number, because the mean of its divisors is an integer number (4268970).

Almost surely, 2^102603432 is an apocalyptic number.

102603432 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 102603432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136607040).

102603432 is an abundant number, since it is smaller than the sum of its proper divisors (170610648).

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

102603432 is a wasteful number, since it uses less digits than its factorization.

102603432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 102603432 is about 10129.3352200428. The cubic root of 102603432 is about 468.1524450414.

Adding to 102603432 its reverse (234306201), we get a palindrome (336909633).

The spelling of 102603432 in words is "one hundred two million, six hundred three thousand, four hundred thirty-two".