1601104125 has 32 divisors (see below), whose sum is σ = 2666896128. Its totient is φ = 853070400.

The previous prime is 1601104121. The next prime is 1601104133. The reversal of 1601104125 is 5214011061.

It is not a de Polignac number, because 1601104125 - 2² = 1601104121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601104121) 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, 603552 + ... + 606198.

It is an arithmetic number, because the mean of its divisors is an integer number (83340504).

Almost surely, 2^1601104125 is an apocalyptic number.

1601104125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601104125 is a deficient number, since it is larger than the sum of its proper divisors (1065792003).

1601104125 is a wasteful number, since it uses less digits than its factorization.

1601104125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1601104125 is about 40013.7991822821. The cubic root of 1601104125 is about 1169.8760735131.

Adding to 1601104125 its reverse (5214011061), we get a palindrome (6815115186).

The spelling of 1601104125 in words is "one billion, six hundred one million, one hundred four thousand, one hundred twenty-five".