102055801 has 2 divisors, whose sum is σ = 102055802. Its totient is φ = 102055800.

The previous prime is 102055771. The next prime is 102055819. The reversal of 102055801 is 108550201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102030201 + 25600 = 10101^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 102055801 - 2¹³ = 102047609 is a prime.

It is not a weakly prime, because it can be changed into another prime (102055831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51027900 + 51027901.

It is an arithmetic number, because the mean of its divisors is an integer number (51027901).

Almost surely, 2^102055801 is an apocalyptic number.

It is an amenable number.

102055801 is a deficient number, since it is larger than the sum of its proper divisors (1).

102055801 is an equidigital number, since it uses as much as digits as its factorization.

102055801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 102055801 is about 10102.2671217900. The cubic root of 102055801 is about 467.3180601185.

The spelling of 102055801 in words is "one hundred two million, fifty-five thousand, eight hundred one".