102421035 has 24 divisors (see below), whose sum is σ = 178717344. Its totient is φ = 54259200.

The previous prime is 102421031. The next prime is 102421043. The reversal of 102421035 is 530124201.

It is not a de Polignac number, because 102421035 - 2² = 102421031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102420999 and 102421017.

It is not an unprimeable number, because it can be changed into a prime (102421031) 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 23 ways as a sum of consecutive naturals, for example, 742 + ... + 14331.

It is an arithmetic number, because the mean of its divisors is an integer number (7446556).

Almost surely, 2^102421035 is an apocalyptic number.

102421035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102421035 is a deficient number, since it is larger than the sum of its proper divisors (76296309).

102421035 is a wasteful number, since it uses less digits than its factorization.

102421035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235 (or 15232 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102421035 is about 10120.3278108962. The cubic root of 102421035 is about 467.8748706672.

Adding to 102421035 its reverse (530124201), we get a palindrome (632545236).

The spelling of 102421035 in words is "one hundred two million, four hundred twenty-one thousand, thirty-five".