1125143012 has 24 divisors (see below), whose sum is σ = 2264627904. Its totient is φ = 479130912.

The previous prime is 1125142927. The next prime is 1125143023. The reversal of 1125143012 is 2103415211.

It is a super-3 number, since 3×1125143012³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123578 + ... + 132369.

It is an arithmetic number, because the mean of its divisors is an integer number (94359496).

Almost surely, 2^1125143012 is an apocalyptic number.

It is an amenable number.

1125143012 is an abundant number, since it is smaller than the sum of its proper divisors (1139484892).

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

1125143012 is a wasteful number, since it uses less digits than its factorization.

1125143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256115 (or 256113 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1125143012 is about 33543.1514917725. The cubic root of 1125143012 is about 1040.0859803176.

Adding to 1125143012 its reverse (2103415211), we get a palindrome (3228558223).

The spelling of 1125143012 in words is "one billion, one hundred twenty-five million, one hundred forty-three thousand, twelve".