10261187 has 2 divisors, whose sum is σ = 10261188. Its totient is φ = 10261186.

The previous prime is 10261177. The next prime is 10261211. The reversal of 10261187 is 78116201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10261187 - 2⁶ = 10261123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10261177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130593 + 5130594.

It is an arithmetic number, because the mean of its divisors is an integer number (5130594).

Almost surely, 2^10261187 is an apocalyptic number.

10261187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10261187 is an equidigital number, since it uses as much as digits as its factorization.

10261187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 10261187 is about 3203.3087581437. The cubic root of 10261187 is about 217.3030727332.

Adding to 10261187 its reverse (78116201), we get a palindrome (88377388).

The spelling of 10261187 in words is "ten million, two hundred sixty-one thousand, one hundred eighty-seven".