1200760900 has 18 divisors (see below), whose sum is σ = 2605651370. Its totient is φ = 480304320.

The previous prime is 1200760877. The next prime is 1200760903. The reversal of 1200760900 is 90670021.

It can be written as a sum of positive squares in 3 ways, for example, as 61968384 + 1138792516 = 7872^2 + 33746^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1200760903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6003705 + ... + 6003904.

Almost surely, 2^1200760900 is an apocalyptic number.

1200760900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200760900 is an abundant number, since it is smaller than the sum of its proper divisors (1404890470).

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

1200760900 is a wasteful number, since it uses less digits than its factorization.

1200760900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007623 (or 12007616 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1200760900 is about 34651.9970564468. The cubic root of 1200760900 is about 1062.8831264225.

The spelling of 1200760900 in words is "one billion, two hundred million, seven hundred sixty thousand, nine hundred".