1151267076 has 72 divisors (see below), whose sum is σ = 3072087200. Its totient is φ = 362517120.

The previous prime is 1151267011. The next prime is 1151267179. The reversal of 1151267076 is 6707621511.

1151267076 is a `hidden beast` number, since 1 + 1 + 512 + 6 + 70 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1151267076.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257016 + ... + 261456.

Almost surely, 2^1151267076 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 1151267076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536043600).

1151267076 is an abundant number, since it is smaller than the sum of its proper divisors (1920820124).

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

1151267076 is a wasteful number, since it uses less digits than its factorization.

1151267076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849 (or 4844 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 1151267076 is about 33930.3267888772. The cubic root of 1151267076 is about 1048.0741952113.

Adding to 1151267076 its reverse (6707621511), we get a palindrome (7858888587).

The spelling of 1151267076 in words is "one billion, one hundred fifty-one million, two hundred sixty-seven thousand, seventy-six".