1203861328 has 20 divisors (see below), whose sum is σ = 2345969268. Its totient is φ = 598449920.

The previous prime is 1203861301. The next prime is 1203861343. The reversal of 1203861328 is 8231683021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 624400144 + 579461184 = 24988^2 + 24072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1203861293 and 1203861302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214693 + ... + 220228.

Almost surely, 2^1203861328 is an apocalyptic number.

It is an amenable number.

1203861328 is a deficient number, since it is larger than the sum of its proper divisors (1142107940).

1203861328 is a wasteful number, since it uses less digits than its factorization.

1203861328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435102 (or 435096 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1203861328 is about 34696.7048579545. The cubic root of 1203861328 is about 1063.7971469615.

The spelling of 1203861328 in words is "one billion, two hundred three million, eight hundred sixty-one thousand, three hundred twenty-eight".