102670105 has 8 divisors (see below), whose sum is σ = 124295112. Its totient is φ = 81408768.

The previous prime is 102670103. The next prime is 102670147. The reversal of 102670105 is 501076201.

It can be written as a sum of positive squares in 4 ways, for example, as 5588496 + 97081609 = 2364^2 + 9853^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102670105 - 2¹ = 102670103 is a prime.

It is a super-4 number, since 4×102670105⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102670103) 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, 90294 + ... + 91423.

It is an arithmetic number, because the mean of its divisors is an integer number (15536889).

Almost surely, 2^102670105 is an apocalyptic number.

It is an amenable number.

102670105 is a deficient number, since it is larger than the sum of its proper divisors (21625007).

102670105 is a wasteful number, since it uses less digits than its factorization.

102670105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181835.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 102670105 is about 10132.6257702532. The cubic root of 102670105 is about 468.2538268662.

The spelling of 102670105 in words is "one hundred two million, six hundred seventy thousand, one hundred five".