1150531130 has 32 divisors (see below), whose sum is σ = 2491378560. Its totient is φ = 373705920.

The previous prime is 1150531121. The next prime is 1150531133. The reversal of 1150531130 is 311350511.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1150531133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431201 + ... + 433860.

It is an arithmetic number, because the mean of its divisors is an integer number (77855580).

Almost surely, 2^1150531130 is an apocalyptic number.

1150531130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1150531130 is an abundant number, since it is smaller than the sum of its proper divisors (1340847430).

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

1150531130 is a wasteful number, since it uses less digits than its factorization.

1150531130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865094.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1150531130 is about 33919.4800962515. The cubic root of 1150531130 is about 1047.8508209128.

Adding to 1150531130 its reverse (311350511), we get a palindrome (1461881641).

The spelling of 1150531130 in words is "one billion, one hundred fifty million, five hundred thirty-one thousand, one hundred thirty".