101987033 has 2 divisors, whose sum is σ = 101987034. Its totient is φ = 101987032.

The previous prime is 101987021. The next prime is 101987051. The reversal of 101987033 is 330789101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97377424 + 4609609 = 9868^2 + 2147^2 .

It is an emirp because it is prime and its reverse (330789101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101987033 is a prime.

It is not a weakly prime, because it can be changed into another prime (101987933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50993516 + 50993517.

It is an arithmetic number, because the mean of its divisors is an integer number (50993517).

Almost surely, 2^101987033 is an apocalyptic number.

It is an amenable number.

101987033 is a deficient number, since it is larger than the sum of its proper divisors (1).

101987033 is an equidigital number, since it uses as much as digits as its factorization.

101987033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 101987033 is about 10098.8629557985. The cubic root of 101987033 is about 467.2130726217.

The spelling of 101987033 in words is "one hundred one million, nine hundred eighty-seven thousand, thirty-three".