102933989 has 2 divisors, whose sum is σ = 102933990. Its totient is φ = 102933988.

The previous prime is 102933983. The next prime is 102934033. The reversal of 102933989 is 989339201.

It is an a-pointer prime, because the next prime (102934033) can be obtained adding 102933989 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58644964 + 44289025 = 7658^2 + 6655^2 .

It is a cyclic number.

It is not a de Polignac number, because 102933989 - 2¹⁶ = 102868453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102933983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51466994 + 51466995.

It is an arithmetic number, because the mean of its divisors is an integer number (51466995).

Almost surely, 2^102933989 is an apocalyptic number.

It is an amenable number.

102933989 is a deficient number, since it is larger than the sum of its proper divisors (1).

102933989 is an equidigital number, since it uses as much as digits as its factorization.

102933989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 102933989 is about 10145.6389153173. The cubic root of 102933989 is about 468.6546542906.

The spelling of 102933989 in words is "one hundred two million, nine hundred thirty-three thousand, nine hundred eighty-nine".