102988901 has 2 divisors, whose sum is σ = 102988902. Its totient is φ = 102988900.

The previous prime is 102988883. The next prime is 102988937. The reversal of 102988901 is 109889201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55860676 + 47128225 = 7474^2 + 6865^2 .

It is an emirp because it is prime and its reverse (109889201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102988901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102988981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51494450 + 51494451.

It is an arithmetic number, because the mean of its divisors is an integer number (51494451).

Almost surely, 2^102988901 is an apocalyptic number.

It is an amenable number.

102988901 is a deficient number, since it is larger than the sum of its proper divisors (1).

102988901 is an equidigital number, since it uses as much as digits as its factorization.

102988901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 102988901 is about 10148.3447418779. The cubic root of 102988901 is about 468.7379769124.

The spelling of 102988901 in words is "one hundred two million, nine hundred eighty-eight thousand, nine hundred one".