1200645052 has 6 divisors (see below), whose sum is σ = 2101128848. Its totient is φ = 600322524.

The previous prime is 1200645041. The next prime is 1200645067. The reversal of 1200645052 is 2505460021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150080628 + ... + 150080635.

Almost surely, 2^1200645052 is an apocalyptic number.

It is an amenable number.

1200645052 is a deficient number, since it is larger than the sum of its proper divisors (900483796).

1200645052 is a wasteful number, since it uses less digits than its factorization.

1200645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300161267 (or 300161265 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1200645052 is about 34650.3254241573. The cubic root of 1200645052 is about 1062.8489434184.

The spelling of 1200645052 in words is "one billion, two hundred million, six hundred forty-five thousand, fifty-two".