106631087 has 2 divisors, whose sum is σ = 106631088. Its totient is φ = 106631086.

The previous prime is 106631081. The next prime is 106631093. The reversal of 106631087 is 780136601.

It is a balanced prime because it is at equal distance from previous prime (106631081) and next prime (106631093).

It is a cyclic number.

It is not a de Polignac number, because 106631087 - 2¹² = 106626991 is a prime.

It is a super-2 number, since 2×106631087² = 22740377429603138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106631081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53315543 + 53315544.

It is an arithmetic number, because the mean of its divisors is an integer number (53315544).

Almost surely, 2^106631087 is an apocalyptic number.

106631087 is a deficient number, since it is larger than the sum of its proper divisors (1).

106631087 is an equidigital number, since it uses as much as digits as its factorization.

106631087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 106631087 is about 10326.2329530182. The cubic root of 106631087 is about 474.1997042855.

Adding to 106631087 its reverse (780136601), we get a palindrome (886767688).

The spelling of 106631087 in words is "one hundred six million, six hundred thirty-one thousand, eighty-seven".