1200224040 has 64 divisors (see below), whose sum is σ = 3609144000. Its totient is φ = 319306752.

The previous prime is 1200224033. The next prime is 1200224059. The reversal of 1200224040 is 404220021.

1200224040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40411 + ... + 63509.

It is an arithmetic number, because the mean of its divisors is an integer number (56392875).

Almost surely, 2^1200224040 is an apocalyptic number.

1200224040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200224040 is an abundant number, since it is smaller than the sum of its proper divisors (2408919960).

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

1200224040 is a wasteful number, since it uses less digits than its factorization.

1200224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23546 (or 23542 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1200224040 is about 34644.2497393146. The cubic root of 1200224040 is about 1062.7246978523.

Adding to 1200224040 its reverse (404220021), we get a palindrome (1604444061).

The spelling of 1200224040 in words is "one billion, two hundred million, two hundred twenty-four thousand, forty".