102678001 has 2 divisors, whose sum is σ = 102678002. Its totient is φ = 102678000.

The previous prime is 102677989. The next prime is 102678007. The reversal of 102678001 is 100876201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81884401 + 20793600 = 9049^2 + 4560^2 .

It is a cyclic number.

It is not a de Polignac number, because 102678001 - 2¹¹ = 102675953 is a prime.

It is not a weakly prime, because it can be changed into another prime (102678007) 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 as a sum of consecutive naturals, namely, 51339000 + 51339001.

It is an arithmetic number, because the mean of its divisors is an integer number (51339001).

Almost surely, 2^102678001 is an apocalyptic number.

It is an amenable number.

102678001 is a deficient number, since it is larger than the sum of its proper divisors (1).

102678001 is an equidigital number, since it uses as much as digits as its factorization.

102678001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 102678001 is about 10133.0153952316. The cubic root of 102678001 is about 468.2658304818.

The spelling of 102678001 in words is "one hundred two million, six hundred seventy-eight thousand, one".