1154125512 has 96 divisors (see below), whose sum is σ = 3483885600. Its totient is φ = 343014912.

The previous prime is 1154125501. The next prime is 1154125601. The reversal of 1154125512 is 2155214511.

It is a happy number.

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, 1558 + ... + 48069.

It is an arithmetic number, because the mean of its divisors is an integer number (36290475).

Almost surely, 2^1154125512 is an apocalyptic number.

1154125512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154125512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741942800).

1154125512 is an abundant number, since it is smaller than the sum of its proper divisors (2329760088).

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

1154125512 is a wasteful number, since it uses less digits than its factorization.

1154125512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49675 (or 49668 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 1154125512 is about 33972.4228161608. The cubic root of 1154125512 is about 1048.9408857932.

The spelling of 1154125512 in words is "one billion, one hundred fifty-four million, one hundred twenty-five thousand, five hundred twelve".