102201073 has 8 divisors (see below), whose sum is σ = 110418728. Its totient is φ = 94034304.

The previous prime is 102201061. The next prime is 102201083. The reversal of 102201073 is 370102201.

It is a happy number.

102201073 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 4 ways, for example, as 1238769 + 100962304 = 1113^2 + 10048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-102201073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8490 + ... + 16627.

It is an arithmetic number, because the mean of its divisors is an integer number (13802341).

Almost surely, 2^102201073 is an apocalyptic number.

102201073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102201073 is a deficient number, since it is larger than the sum of its proper divisors (8217655).

102201073 is a wasteful number, since it uses less digits than its factorization.

102201073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 102201073 is about 10109.4546341531. The cubic root of 102201073 is about 467.5396906449.

Adding to 102201073 its reverse (370102201), we get a palindrome (472303274).

The spelling of 102201073 in words is "one hundred two million, two hundred one thousand, seventy-three".