102030356 has 12 divisors (see below), whose sum is σ = 178627092. Its totient is φ = 50994048.

The previous prime is 102030329. The next prime is 102030359. The reversal of 102030356 is 653030201.

It can be written as a sum of positive squares in 2 ways, for example, as 32307856 + 69722500 = 5684^2 + 8350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11516 + ... + 18348.

It is an arithmetic number, because the mean of its divisors is an integer number (14885591).

Almost surely, 2^102030356 is an apocalyptic number.

It is an amenable number.

102030356 is a deficient number, since it is larger than the sum of its proper divisors (76596736).

102030356 is a wasteful number, since it uses less digits than its factorization.

102030356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10570 (or 10568 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 102030356 is about 10101.0076725048. The cubic root of 102030356 is about 467.2792189607.

Adding to 102030356 its reverse (653030201), we get a palindrome (755060557).

The spelling of 102030356 in words is "one hundred two million, thirty thousand, three hundred fifty-six".