1213030003 has 8 divisors (see below), whose sum is σ = 1250422272. Its totient is φ = 1176120456.

The previous prime is 1213029991. The next prime is 1213030057. The reversal of 1213030003 is 3000303121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213030003 - 2¹³ = 1213021811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213030103) 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, 115575 + ... + 125632.

It is an arithmetic number, because the mean of its divisors is an integer number (156302784).

Almost surely, 2^1213030003 is an apocalyptic number.

1213030003 is a deficient number, since it is larger than the sum of its proper divisors (37392269).

1213030003 is a wasteful number, since it uses less digits than its factorization.

1213030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241361.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1213030003 is about 34828.5802610442. The cubic root of 1213030003 is about 1066.4909658628.

Adding to 1213030003 its reverse (3000303121), we get a palindrome (4213333124).

The spelling of 1213030003 in words is "one billion, two hundred thirteen million, thirty thousand, three".