1213140003 has 8 divisors (see below), whose sum is σ = 1618420416. Its totient is φ = 808309800.

The previous prime is 1213139981. The next prime is 1213140007. The reversal of 1213140003 is 3000413121.

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

It is not a de Polignac number, because 1213140003 - 2¹² = 1213135907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213140007) 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, 106213 + ... + 117078.

It is an arithmetic number, because the mean of its divisors is an integer number (202302552).

Almost surely, 2^1213140003 is an apocalyptic number.

1213140003 is a deficient number, since it is larger than the sum of its proper divisors (405280413).

1213140003 is a wasteful number, since it uses less digits than its factorization.

1213140003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225105.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1213140003 is about 34830.1593880935. The cubic root of 1213140003 is about 1066.5232020702.

Adding to 1213140003 its reverse (3000413121), we get a palindrome (4213553124).

The spelling of 1213140003 in words is "one billion, two hundred thirteen million, one hundred forty thousand, three".