1213434003 has 8 divisors (see below), whose sum is σ = 1628217808. Its totient is φ = 803803104.

The previous prime is 1213433989. The next prime is 1213434029. The reversal of 1213434003 is 3004343121.

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

It is not a de Polignac number, because 1213434003 - 2⁹ = 1213433491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213434043) 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, 1287676 + ... + 1288617.

It is an arithmetic number, because the mean of its divisors is an integer number (203527226).

Almost surely, 2^1213434003 is an apocalyptic number.

1213434003 is a deficient number, since it is larger than the sum of its proper divisors (414783805).

1213434003 is a wasteful number, since it uses less digits than its factorization.

1213434003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576453.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1213434003 is about 34834.3796126758. The cubic root of 1213434003 is about 1066.6093510978.

Adding to 1213434003 its reverse (3004343121), we get a palindrome (4217777124).

The spelling of 1213434003 in words is "one billion, two hundred thirteen million, four hundred thirty-four thousand, three".