1203985931394 has 16 divisors (see below), whose sum is σ = 2407988271168. Its totient is φ = 401325909072.

The previous prime is 1203985931383. The next prime is 1203985931429. The reversal of 1203985931394 is 4931395893021.

It is an unprimeable number.

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, 403099 + ... + 1603265.

It is an arithmetic number, because the mean of its divisors is an integer number (150499266948).

Almost surely, 2^{1203985931394} is an apocalyptic number.

1203985931394 is an abundant number, since it is smaller than the sum of its proper divisors (1204002339774).

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

1203985931394 is a wasteful number, since it uses less digits than its factorization.

1203985931394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367369.

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 1203985931394 in words is "one trillion, two hundred three billion, nine hundred eighty-five million, nine hundred thirty-one thousand, three hundred ninety-four".