1201215003 has 16 divisors (see below), whose sum is σ = 1657754400. Its totient is φ = 772773120.

The previous prime is 1201214983. The next prime is 1201215013. The reversal of 1201215003 is 3005121021.

It is not a de Polignac number, because 1201215003 - 2²⁹ = 664344091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201215013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268263 + ... + 272703.

It is an arithmetic number, because the mean of its divisors is an integer number (103609650).

Almost surely, 2^1201215003 is an apocalyptic number.

1201215003 is a deficient number, since it is larger than the sum of its proper divisors (456539397).

1201215003 is a wasteful number, since it uses less digits than its factorization.

1201215003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1201215003 is about 34658.5487722726. The cubic root of 1201215003 is about 1063.0170963593.

Adding to 1201215003 its reverse (3005121021), we get a palindrome (4206336024).

The spelling of 1201215003 in words is "one billion, two hundred one million, two hundred fifteen thousand, three".