102001355 has 4 divisors (see below), whose sum is σ = 122401632. Its totient is φ = 81601080.

The previous prime is 102001349. The next prime is 102001363. The reversal of 102001355 is 553100201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102001355 - 2⁸ = 102001099 is a prime.

It is a Duffinian number.

102001355 is a modest number, since divided by 1355 gives 1020 as remainder.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10200131 + ... + 10200140.

It is an arithmetic number, because the mean of its divisors is an integer number (30600408).

Almost surely, 2^102001355 is an apocalyptic number.

102001355 is a deficient number, since it is larger than the sum of its proper divisors (20400277).

102001355 is an equidigital number, since it uses as much as digits as its factorization.

102001355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400276.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 102001355 is about 10099.5720206353. The cubic root of 102001355 is about 467.2349417824.

Adding to 102001355 its reverse (553100201), we get a palindrome (655101556).

The spelling of 102001355 in words is "one hundred two million, one thousand, three hundred fifty-five".