1147151264 has 24 divisors (see below), whose sum is σ = 2581090848. Its totient is φ = 491636160.

The previous prime is 1147151263. The next prime is 1147151267. The reversal of 1147151264 is 4621517411.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1147151264.

It is not an unprimeable number, because it can be changed into a prime (1147151261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560382 + ... + 2560829.

It is an arithmetic number, because the mean of its divisors is an integer number (107545452).

Almost surely, 2^1147151264 is an apocalyptic number.

1147151264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1147151264 is an abundant number, since it is smaller than the sum of its proper divisors (1433939584).

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

1147151264 is an equidigital number, since it uses as much as digits as its factorization.

1147151264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121228 (or 5121220 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 1147151264 is about 33869.6215508824. The cubic root of 1147151264 is about 1046.8237390319.

Adding to 1147151264 its reverse (4621517411), we get a palindrome (5768668675).

The spelling of 1147151264 in words is "one billion, one hundred forty-seven million, one hundred fifty-one thousand, two hundred sixty-four".