989010103 has 2 divisors, whose sum is σ = 989010104. Its totient is φ = 989010102.

The previous prime is 989010101. The next prime is 989010107. The reversal of 989010103 is 301010989.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989010103 - 2¹ = 989010101 is a prime.

Together with 989010101, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989010101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494505051 + 494505052.

It is an arithmetic number, because the mean of its divisors is an integer number (494505052).

Almost surely, 2^989010103 is an apocalyptic number.

989010103 is a deficient number, since it is larger than the sum of its proper divisors (1).

989010103 is an equidigital number, since it uses as much as digits as its factorization.

989010103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 989010103 is about 31448.5310149775. The cubic root of 989010103 is about 996.3231987009.

The spelling of 989010103 in words is "nine hundred eighty-nine million, ten thousand, one hundred three".