102266861 has 8 divisors (see below), whose sum is σ = 105947904. Its totient is φ = 98609760.

The previous prime is 102266831. The next prime is 102266863. The reversal of 102266861 is 168662201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102266861 - 2¹⁰ = 102265837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102266863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 14601.

It is an arithmetic number, because the mean of its divisors is an integer number (13243488).

Almost surely, 2^102266861 is an apocalyptic number.

It is an amenable number.

102266861 is a deficient number, since it is larger than the sum of its proper divisors (3681043).

102266861 is a wasteful number, since it uses less digits than its factorization.

102266861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11971.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 102266861 is about 10112.7078965033. The cubic root of 102266861 is about 467.6399893429.

The spelling of 102266861 in words is "one hundred two million, two hundred sixty-six thousand, eight hundred sixty-one".