1200043242 has 16 divisors (see below), whose sum is σ = 2666762880. Its totient is φ = 400014396.

The previous prime is 1200043223. The next prime is 1200043261. The reversal of 1200043242 is 2423400021.

1200043242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1200043223) and next prime (1200043261).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 11111458 + ... + 11111565.

It is an arithmetic number, because the mean of its divisors is an integer number (166672680).

Almost surely, 2^1200043242 is an apocalyptic number.

1200043242 is an abundant number, since it is smaller than the sum of its proper divisors (1466719638).

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

1200043242 is a wasteful number, since it uses less digits than its factorization.

1200043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22223034 (or 22223028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1200043242 is about 34641.6402902634. The cubic root of 1200043242 is about 1062.6713333298.

Adding to 1200043242 its reverse (2423400021), we get a palindrome (3623443263).

The spelling of 1200043242 in words is "one billion, two hundred million, forty-three thousand, two hundred forty-two".