102001235 has 16 divisors (see below), whose sum is σ = 143301312. Its totient is φ = 68236800.

The previous prime is 102001217. The next prime is 102001247. The reversal of 102001235 is 532100201.

It is a happy number.

It is not a de Polignac number, because 102001235 - 2⁶ = 102001171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34106 + ... + 36975.

It is an arithmetic number, because the mean of its divisors is an integer number (8956332).

Almost surely, 2^102001235 is an apocalyptic number.

102001235 is a deficient number, since it is larger than the sum of its proper divisors (41300077).

102001235 is an equidigital number, since it uses as much as digits as its factorization.

102001235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71134.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102001235 is about 10099.5660797878. The cubic root of 102001235 is about 467.2347585554.

Adding to 102001235 its reverse (532100201), we get a palindrome (634101436).

The spelling of 102001235 in words is "one hundred two million, one thousand, two hundred thirty-five".