1200455330 has 16 divisors (see below), whose sum is σ = 2254768704. Its totient is φ = 459304560.

The previous prime is 1200455317. The next prime is 1200455339. The reversal of 1200455330 is 335540021.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1200455296 and 1200455305.

It is not an unprimeable number, because it can be changed into a prime (1200455339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609456 + ... + 2609915.

It is an arithmetic number, because the mean of its divisors is an integer number (140923044).

Almost surely, 2^1200455330 is an apocalyptic number.

1200455330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200455330 is a deficient number, since it is larger than the sum of its proper divisors (1054313374).

1200455330 is a wasteful number, since it uses less digits than its factorization.

1200455330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219401.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1200455330 is about 34647.5876505133. The cubic root of 1200455330 is about 1062.7929578327.

Adding to 1200455330 its reverse (335540021), we get a palindrome (1535995351).

The spelling of 1200455330 in words is "one billion, two hundred million, four hundred fifty-five thousand, three hundred thirty".