1213069401 has 12 divisors (see below), whose sum is σ = 1808734720. Its totient is φ = 782625240.

The previous prime is 1213069367. The next prime is 1213069409. The reversal of 1213069401 is 1049603121.

It is not a de Polignac number, because 1213069401 - 2¹⁰ = 1213068377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213069409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2173681 + ... + 2174238.

Almost surely, 2^1213069401 is an apocalyptic number.

It is an amenable number.

1213069401 is a deficient number, since it is larger than the sum of its proper divisors (595665319).

1213069401 is a wasteful number, since it uses less digits than its factorization.

1213069401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347956 (or 4347953 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1213069401 is about 34829.1458551599. The cubic root of 1213069401 is about 1066.5025119240.

The spelling of 1213069401 in words is "one billion, two hundred thirteen million, sixty-nine thousand, four hundred one".