1200113124 has 24 divisors (see below), whose sum is σ = 3200301888. Its totient is φ = 342889440.

The previous prime is 1200113111. The next prime is 1200113129. The reversal of 1200113124 is 4213110021.

It is not an unprimeable number, because it can be changed into a prime (1200113129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7143447 + ... + 7143614.

It is an arithmetic number, because the mean of its divisors is an integer number (133345912).

Almost surely, 2^1200113124 is an apocalyptic number.

1200113124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1200113124 is an abundant number, since it is smaller than the sum of its proper divisors (2000188764).

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

1200113124 is a wasteful number, since it uses less digits than its factorization.

1200113124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287075 (or 14287073 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1200113124 is about 34642.6489171945. The cubic root of 1200113124 is about 1062.6919604078.

Adding to 1200113124 its reverse (4213110021), we get a palindrome (5413223145).

The spelling of 1200113124 in words is "one billion, two hundred million, one hundred thirteen thousand, one hundred twenty-four".