1016205001 has 16 divisors (see below), whose sum is σ = 1197213696. Its totient is φ = 844503696.

The previous prime is 1016204999. The next prime is 1016205007. The reversal of 1016205001 is 1005026101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1016205001 - 2¹ = 1016204999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016205007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20770 + ... + 49636.

It is an arithmetic number, because the mean of its divisors is an integer number (74825856).

Almost surely, 2^1016205001 is an apocalyptic number.

It is an amenable number.

1016205001 is a deficient number, since it is larger than the sum of its proper divisors (181008695).

1016205001 is a wasteful number, since it uses less digits than its factorization.

1016205001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29028.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1016205001 is about 31877.9704655111. The cubic root of 1016205001 is about 1005.3727488722.

The spelling of 1016205001 in words is "one billion, sixteen million, two hundred five thousand, one".