102230001 has 24 divisors (see below), whose sum is σ = 152221160. Its totient is φ = 66064896.

The previous prime is 102229997. The next prime is 102230039. The reversal of 102230001 is 100032201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3744225 + 98485776 = 1935^2 + 9924^2 .

It is not a de Polignac number, because 102230001 - 2² = 102229997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102230801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143835 + ... + 144543.

Almost surely, 2^102230001 is an apocalyptic number.

It is an amenable number.

102230001 is a deficient number, since it is larger than the sum of its proper divisors (49991159).

102230001 is a wasteful number, since it uses less digits than its factorization.

102230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 102230001 is about 10110.8852728137. The cubic root of 102230001 is about 467.5837988324.

Adding to 102230001 its reverse (100032201), we get a palindrome (202262202).

The spelling of 102230001 in words is "one hundred two million, two hundred thirty thousand, one".