1264235168 has 48 divisors (see below), whose sum is σ = 2857397760. Its totient is φ = 539364096.

The previous prime is 1264235101. The next prime is 1264235173. The reversal of 1264235168 is 8615324621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37298 + ... + 62606.

It is an arithmetic number, because the mean of its divisors is an integer number (59529120).

Almost surely, 2^1264235168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264235168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428698880).

1264235168 is an abundant number, since it is smaller than the sum of its proper divisors (1593162592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264235168 is a wasteful number, since it uses less digits than its factorization.

1264235168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25549 (or 25541 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 1264235168 is about 35556.0848238385. The cubic root of 1264235168 is about 1081.2910851307.

Adding to 1264235168 its reverse (8615324621), we get a palindrome (9879559789).

The spelling of 1264235168 in words is "one billion, two hundred sixty-four million, two hundred thirty-five thousand, one hundred sixty-eight".