102660147 has 12 divisors (see below), whose sum is σ = 150501000. Its totient is φ = 67418208.

The previous prime is 102660139. The next prime is 102660191. The reversal of 102660147 is 741066201.

102660147 is a `hidden beast` number, since 10 + 2 + 6 + 601 + 47 = 666.

It is not a de Polignac number, because 102660147 - 2³ = 102660139 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 102660147.

It is not an unprimeable number, because it can be changed into a prime (102670147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84522 + ... + 85727.

It is an arithmetic number, because the mean of its divisors is an integer number (12541750).

Almost surely, 2^102660147 is an apocalyptic number.

102660147 is a deficient number, since it is larger than the sum of its proper divisors (47840853).

102660147 is a wasteful number, since it uses less digits than its factorization.

102660147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170322 (or 170319 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 102660147 is about 10132.1343753426. The cubic root of 102660147 is about 468.2386876902.

The spelling of 102660147 in words is "one hundred two million, six hundred sixty thousand, one hundred forty-seven".