1124200120 has 32 divisors (see below), whose sum is σ = 2611048320. Its totient is φ = 435173760.

The previous prime is 1124200117. The next prime is 1124200139. The reversal of 1124200120 is 210024211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1124200120.

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, 452067 + ... + 454546.

It is an arithmetic number, because the mean of its divisors is an integer number (81595260).

Almost surely, 2^1124200120 is an apocalyptic number.

1124200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124200120 is an abundant number, since it is smaller than the sum of its proper divisors (1486848200).

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

1124200120 is a wasteful number, since it uses less digits than its factorization.

1124200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906655 (or 906651 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1124200120 is about 33529.0936352297. The cubic root of 1124200120 is about 1039.7953616102.

Adding to 1124200120 its reverse (210024211), we get a palindrome (1334224331).

The spelling of 1124200120 in words is "one billion, one hundred twenty-four million, two hundred thousand, one hundred twenty".