1601125435 has 24 divisors (see below), whose sum is σ = 2377740960. Its totient is φ = 1013455872.

The previous prime is 1601125429. The next prime is 1601125441. The reversal of 1601125435 is 5345211061.

It is an interprime number because it is at equal distance from previous prime (1601125429) and next prime (1601125441).

It is not a de Polignac number, because 1601125435 - 2¹¹ = 1601123387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129430 + ... + 141259.

It is an arithmetic number, because the mean of its divisors is an integer number (99072540).

Almost surely, 2^1601125435 is an apocalyptic number.

1601125435 is a deficient number, since it is larger than the sum of its proper divisors (776615525).

1601125435 is a wasteful number, since it uses less digits than its factorization.

1601125435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270727 (or 270714 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1601125435 is about 40014.0654645338. The cubic root of 1601125435 is about 1169.8812636707.

Adding to 1601125435 its reverse (5345211061), we get a palindrome (6946336496).

The spelling of 1601125435 in words is "one billion, six hundred one million, one hundred twenty-five thousand, four hundred thirty-five".