1200145052 has 24 divisors (see below), whose sum is σ = 2119140240. Its totient is φ = 594696960.

The previous prime is 1200145003. The next prime is 1200145069. The reversal of 1200145052 is 2505410021.

It is a congruent number.

It is an unprimeable number.

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, 260852 + ... + 265412.

It is an arithmetic number, because the mean of its divisors is an integer number (88297510).

Almost surely, 2^1200145052 is an apocalyptic number.

It is an amenable number.

1200145052 is a deficient number, since it is larger than the sum of its proper divisors (918995188).

1200145052 is a wasteful number, since it uses less digits than its factorization.

1200145052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1200145052 is about 34643.1097333943. The cubic root of 1200145052 is about 1062.7013843328.

Adding to 1200145052 its reverse (2505410021), we get a palindrome (3705555073).

The spelling of 1200145052 in words is "one billion, two hundred million, one hundred forty-five thousand, fifty-two".