84123001 has 8 divisors (see below), whose sum is σ = 86159808. Its totient is φ = 82110000.

The previous prime is 84122999. The next prime is 84123037. The reversal of 84123001 is 10032148.

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 84123001 - 2¹ = 84122999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84123001.

It is not an unprimeable number, because it can be changed into a prime (84123041) 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, 1306 + ... + 13036.

It is an arithmetic number, because the mean of its divisors is an integer number (10769976).

Almost surely, 2^84123001 is an apocalyptic number.

It is an amenable number.

84123001 is a deficient number, since it is larger than the sum of its proper divisors (2036807).

84123001 is a wasteful number, since it uses less digits than its factorization.

84123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11903.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 84123001 is about 9171.8591899353. The cubic root of 84123001 is about 438.1655737172.

Adding to 84123001 its reverse (10032148), we get a palindrome (94155149).

The spelling of 84123001 in words is "eighty-four million, one hundred twenty-three thousand, one".