1200112124 has 24 divisors (see below), whose sum is σ = 2306855040. Its totient is φ = 543757104.

The previous prime is 1200112117. The next prime is 1200112139. The reversal of 1200112124 is 4212110021.

It is a happy number.

It is a super-2 number, since 2×1200112124² = 2880538220343582752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200112099 and 1200112108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341534 + ... + 345029.

It is an arithmetic number, because the mean of its divisors is an integer number (96118960).

Almost surely, 2^1200112124 is an apocalyptic number.

It is an amenable number.

1200112124 is a deficient number, since it is larger than the sum of its proper divisors (1106742916).

1200112124 is a wasteful number, since it uses less digits than its factorization.

1200112124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686609 (or 686607 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1200112124 is about 34642.6344841151. The cubic root of 1200112124 is about 1062.6916652433.

Adding to 1200112124 its reverse (4212110021), we get a palindrome (5412222145).

The spelling of 1200112124 in words is "one billion, two hundred million, one hundred twelve thousand, one hundred twenty-four".