101530687 has 2 divisors, whose sum is σ = 101530688. Its totient is φ = 101530686.

The previous prime is 101530679. The next prime is 101530691. The reversal of 101530687 is 786035101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101530687 - 2³ = 101530679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101530787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50765343 + 50765344.

It is an arithmetic number, because the mean of its divisors is an integer number (50765344).

Almost surely, 2^101530687 is an apocalyptic number.

101530687 is a deficient number, since it is larger than the sum of its proper divisors (1).

101530687 is an equidigital number, since it uses as much as digits as its factorization.

101530687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 101530687 is about 10076.2436949490. The cubic root of 101530687 is about 466.5151746934.

Adding to 101530687 its reverse (786035101), we get a palindrome (887565788).

The spelling of 101530687 in words is "one hundred one million, five hundred thirty thousand, six hundred eighty-seven".