10261971 has 10 divisors (see below), whose sum is σ = 15329732. Its totient is φ = 6841260.

The previous prime is 10261963. The next prime is 10261973. The reversal of 10261971 is 17916201.

It is not a de Polignac number, because 10261971 - 2³ = 10261963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10261973) 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 in 9 ways as a sum of consecutive naturals, for example, 63265 + ... + 63426.

Almost surely, 2^10261971 is an apocalyptic number.

10261971 is a deficient number, since it is larger than the sum of its proper divisors (5067761).

10261971 is an equidigital number, since it uses as much as digits as its factorization.

10261971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126703 (or 126694 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 10261971 is about 3203.4311292737. The cubic root of 10261971 is about 217.3086068971.

The spelling of 10261971 in words is "ten million, two hundred sixty-one thousand, nine hundred seventy-one".