102230057 has 4 divisors (see below), whose sum is σ = 104158980. Its totient is φ = 100301136.

The previous prime is 102230053. The next prime is 102230069. The reversal of 102230057 is 750032201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750032201 = 19 ⋅39475379.

It can be written as a sum of positive squares in 2 ways, for example, as 31854736 + 70375321 = 5644^2 + 8389^2 .

It is a cyclic number.

It is not a de Polignac number, because 102230057 - 2² = 102230053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102230053) 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 3 ways as a sum of consecutive naturals, for example, 964382 + ... + 964487.

It is an arithmetic number, because the mean of its divisors is an integer number (26039745).

Almost surely, 2^102230057 is an apocalyptic number.

It is an amenable number.

102230057 is a deficient number, since it is larger than the sum of its proper divisors (1928923).

102230057 is an equidigital number, since it uses as much as digits as its factorization.

102230057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928922.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 102230057 is about 10110.8880421059. Note that the first 3 decimals coincide. The cubic root of 102230057 is about 467.5838842108.

Adding to 102230057 its reverse (750032201), we get a palindrome (852262258).

The spelling of 102230057 in words is "one hundred two million, two hundred thirty thousand, fifty-seven".