1153081072 has 40 divisors (see below), whose sum is σ = 2624675760. Its totient is φ = 483809280.

The previous prime is 1153081043. The next prime is 1153081079. The reversal of 1153081072 is 2701803511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153081072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153081079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249697 + ... + 254272.

It is an arithmetic number, because the mean of its divisors is an integer number (65616894).

Almost surely, 2^1153081072 is an apocalyptic number.

It is an amenable number.

1153081072 is an abundant number, since it is smaller than the sum of its proper divisors (1471594688).

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

1153081072 is a wasteful number, since it uses less digits than its factorization.

1153081072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504001 (or 503995 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1153081072 is about 33957.0474570449. The cubic root of 1153081072 is about 1048.6243730013.

Adding to 1153081072 its reverse (2701803511), we get a palindrome (3854884583).

The spelling of 1153081072 in words is "one billion, one hundred fifty-three million, eighty-one thousand, seventy-two".