108020643 has 8 divisors (see below), whose sum is σ = 151608000. Its totient is φ = 68223528.

The previous prime is 108020639. The next prime is 108020659. The reversal of 108020643 is 346020801.

It is a happy number.

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

It is not a de Polignac number, because 108020643 - 2² = 108020639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108020663) 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, 947493 + ... + 947606.

It is an arithmetic number, because the mean of its divisors is an integer number (18951000).

Almost surely, 2^108020643 is an apocalyptic number.

108020643 is a deficient number, since it is larger than the sum of its proper divisors (43587357).

108020643 is a wasteful number, since it uses less digits than its factorization.

108020643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895121.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 108020643 is about 10393.2979847592. The cubic root of 108020643 is about 476.2506550649.

The spelling of 108020643 in words is "one hundred eight million, twenty thousand, six hundred forty-three".