141021903 has 8 divisors (see below), whose sum is σ = 205122816. Its totient is φ = 85467800.

The previous prime is 141021899. The next prime is 141021917. The reversal of 141021903 is 309120141.

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

It is not a de Polignac number, because 141021903 - 2² = 141021899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141021903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141021703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136663 + ... + 2136728.

It is an arithmetic number, because the mean of its divisors is an integer number (25640352).

Almost surely, 2^141021903 is an apocalyptic number.

141021903 is a deficient number, since it is larger than the sum of its proper divisors (64100913).

141021903 is a wasteful number, since it uses less digits than its factorization.

141021903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273405.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 141021903 is about 11875.2643339001. The cubic root of 141021903 is about 520.5097356165.

The spelling of 141021903 in words is "one hundred forty-one million, twenty-one thousand, nine hundred three".