101083987 has 2 divisors, whose sum is σ = 101083988. Its totient is φ = 101083986.

The previous prime is 101083973. The next prime is 101084003. The reversal of 101083987 is 789380101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101083987 is a prime.

It is not a weakly prime, because it can be changed into another prime (101083967) 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, 50541993 + 50541994.

It is an arithmetic number, because the mean of its divisors is an integer number (50541994).

Almost surely, 2^101083987 is an apocalyptic number.

101083987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101083987 is an equidigital number, since it uses as much as digits as its factorization.

101083987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 101083987 is about 10054.0532622420. The cubic root of 101083987 is about 465.8300002499.

The spelling of 101083987 in words is "one hundred one million, eighty-three thousand, nine hundred eighty-seven".