102200057 has 2 divisors, whose sum is σ = 102200058. Its totient is φ = 102200056.

The previous prime is 102200053. The next prime is 102200081. The reversal of 102200057 is 750002201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88811776 + 13388281 = 9424^2 + 3659^2 .

It is a cyclic number.

It is not a de Polignac number, because 102200057 - 2² = 102200053 is a prime.

It is not a weakly prime, because it can be changed into another prime (102200053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100028 + 51100029.

It is an arithmetic number, because the mean of its divisors is an integer number (51100029).

Almost surely, 2^102200057 is an apocalyptic number.

It is an amenable number.

102200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200057 is an equidigital number, since it uses as much as digits as its factorization.

102200057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 102200057 is about 10109.4043840377. The cubic root of 102200057 is about 467.5381413399.

Adding to 102200057 its reverse (750002201), we get a palindrome (852202258).

The spelling of 102200057 in words is "one hundred two million, two hundred thousand, fifty-seven".