1200030398 has 32 divisors (see below), whose sum is σ = 2180978688. Its totient is φ = 484250400.

The previous prime is 1200030397. The next prime is 1200030407. The reversal of 1200030398 is 8930300021.

It is a super-2 number, since 2×1200030398² = 2880145912248076808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200030397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21308 + ... + 53423.

It is an arithmetic number, because the mean of its divisors is an integer number (68155584).

Almost surely, 2^1200030398 is an apocalyptic number.

1200030398 is a deficient number, since it is larger than the sum of its proper divisors (980948290).

1200030398 is a wasteful number, since it uses less digits than its factorization.

1200030398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74808.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1200030398 is about 34641.4549059360. The cubic root of 1200030398 is about 1062.6675420777.

The spelling of 1200030398 in words is "one billion, two hundred million, thirty thousand, three hundred ninety-eight".