1151234500 has 48 divisors (see below), whose sum is σ = 2707718832. Its totient is φ = 425068800.

The previous prime is 1151234477. The next prime is 1151234501. The reversal of 1151234500 is 54321511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 599172484 + 552062016 = 24478^2 + 23496^2 .

It is not an unprimeable number, because it can be changed into a prime (1151234501) 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, 82057 + ... + 95056.

It is an arithmetic number, because the mean of its divisors is an integer number (56410809).

Almost surely, 2^1151234500 is an apocalyptic number.

1151234500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151234500 is an abundant number, since it is smaller than the sum of its proper divisors (1556484332).

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

1151234500 is a wasteful number, since it uses less digits than its factorization.

1151234500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177145 (or 177133 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1151234500 is about 33929.8467429489. The cubic root of 1151234500 is about 1048.0643097591.

The spelling of 1151234500 in words is "one billion, one hundred fifty-one million, two hundred thirty-four thousand, five hundred".