1155487130 has 24 divisors (see below), whose sum is σ = 2419449588. Its totient is φ = 396166848.

The previous prime is 1155487129. The next prime is 1155487199. The reversal of 1155487130 is 317845511.

It can be written as a sum of positive squares in 2 ways, for example, as 1093029721 + 62457409 = 33061^2 + 7903^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178579 + ... + 1179558.

Almost surely, 2^1155487130 is an apocalyptic number.

1155487130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155487130 is an abundant number, since it is smaller than the sum of its proper divisors (1263962458).

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

1155487130 is a wasteful number, since it uses less digits than its factorization.

1155487130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358158 (or 2358151 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1155487130 is about 33992.4569573898. The cubic root of 1155487130 is about 1049.3532313212.

The spelling of 1155487130 in words is "one billion, one hundred fifty-five million, four hundred eighty-seven thousand, one hundred thirty".