1601270512 has 20 divisors (see below), whose sum is σ = 3109879080. Its totient is φ = 798721088.

The previous prime is 1601270479. The next prime is 1601270521. The reversal of 1601270512 is 2150721061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112723 + ... + 126130.

It is an arithmetic number, because the mean of its divisors is an integer number (155493954).

Almost surely, 2^1601270512 is an apocalyptic number.

It is an amenable number.

1601270512 is a deficient number, since it is larger than the sum of its proper divisors (1508608568).

1601270512 is a wasteful number, since it uses less digits than its factorization.

1601270512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239280 (or 239274 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1601270512 is about 40015.8782485153. The cubic root of 1601270512 is about 1169.9165966797.

Adding to 1601270512 its reverse (2150721061), we get a palindrome (3751991573).

The spelling of 1601270512 in words is "one billion, six hundred one million, two hundred seventy thousand, five hundred twelve".