1601402205 has 32 divisors (see below), whose sum is σ = 2767363200. Its totient is φ = 786090240.

The previous prime is 1601402183. The next prime is 1601402207. The reversal of 1601402205 is 5022041061.

It is not a de Polignac number, because 1601402205 - 2⁶ = 1601402141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601402207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56290 + ... + 79820.

It is an arithmetic number, because the mean of its divisors is an integer number (86480100).

Almost surely, 2^1601402205 is an apocalyptic number.

1601402205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601402205 is a deficient number, since it is larger than the sum of its proper divisors (1165960995).

1601402205 is a wasteful number, since it uses less digits than its factorization.

1601402205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23901.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1601402205 is about 40017.5237239887. The cubic root of 1601402205 is about 1169.9486682133.

Adding to 1601402205 its reverse (5022041061), we get a palindrome (6623443266).

The spelling of 1601402205 in words is "one billion, six hundred one million, four hundred two thousand, two hundred five".