1230003133 has 8 divisors (see below), whose sum is σ = 1295118720. Its totient is φ = 1164925440.

The previous prime is 1230003121. The next prime is 1230003143. The reversal of 1230003133 is 3313000321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230003133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230003143) 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, 77916 + ... + 92362.

It is an arithmetic number, because the mean of its divisors is an integer number (161889840).

Almost surely, 2^1230003133 is an apocalyptic number.

It is an amenable number.

1230003133 is a deficient number, since it is larger than the sum of its proper divisors (65115587).

1230003133 is a wasteful number, since it uses less digits than its factorization.

1230003133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1230003133 is about 35071.4004995523. The cubic root of 1230003133 is about 1071.4421793988.

Adding to 1230003133 its reverse (3313000321), we get a palindrome (4543003454).

The spelling of 1230003133 in words is "one billion, two hundred thirty million, three thousand, one hundred thirty-three".