1990141203 has 8 divisors (see below), whose sum is σ = 2656896448. Its totient is φ = 1325073384.

The previous prime is 1990141151. The next prime is 1990141249. The reversal of 1990141203 is 3021410991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1990141203 - 2²⁸ = 1721705747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1990141253) 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, 419101 + ... + 423822.

It is an arithmetic number, because the mean of its divisors is an integer number (332112056).

Almost surely, 2^1990141203 is an apocalyptic number.

1990141203 is a deficient number, since it is larger than the sum of its proper divisors (666755245).

1990141203 is an equidigital number, since it uses as much as digits as its factorization.

1990141203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843713.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1990141203 is about 44610.9986774562. The cubic root of 1990141203 is about 1257.8474212615.

The spelling of 1990141203 in words is "one billion, nine hundred ninety million, one hundred forty-one thousand, two hundred three".