102240001 has 2 divisors, whose sum is σ = 102240002. Its totient is φ = 102240000.

The previous prime is 102239971. The next prime is 102240011. The reversal of 102240001 is 100042201.

It is an a-pointer prime, because the next prime (102240011) can be obtained adding 102240001 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82446400 + 19793601 = 9080^2 + 4449^2 .

It is a cyclic number.

It is not a de Polignac number, because 102240001 - 2¹¹ = 102237953 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102240001.

It is not a weakly prime, because it can be changed into another prime (102240011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51120000 + 51120001.

It is an arithmetic number, because the mean of its divisors is an integer number (51120001).

Almost surely, 2^102240001 is an apocalyptic number.

It is an amenable number.

102240001 is a deficient number, since it is larger than the sum of its proper divisors (1).

102240001 is an equidigital number, since it uses as much as digits as its factorization.

102240001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 102240001 is about 10111.3797772609. The cubic root of 102240001 is about 467.5990444729.

Adding to 102240001 its reverse (100042201), we get a palindrome (202282202).

The spelling of 102240001 in words is "one hundred two million, two hundred forty thousand, one".