1201550330 has 32 divisors (see below), whose sum is σ = 2264371200. Its totient is φ = 458446912.

The previous prime is 1201550269. The next prime is 1201550351. The reversal of 1201550330 is 330551021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890 + ... + 49029.

It is an arithmetic number, because the mean of its divisors is an integer number (70761600).

Almost surely, 2^1201550330 is an apocalyptic number.

1201550330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201550330 is a deficient number, since it is larger than the sum of its proper divisors (1062820870).

1201550330 is a wasteful number, since it uses less digits than its factorization.

1201550330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50038.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1201550330 is about 34663.3860146409. The cubic root of 1201550330 is about 1063.1160032074.

The spelling of 1201550330 in words is "one billion, two hundred one million, five hundred fifty thousand, three hundred thirty".