1219904201 has 8 divisors (see below), whose sum is σ = 1250121600. Its totient is φ = 1189708960.

The previous prime is 1219904183. The next prime is 1219904243. The reversal of 1219904201 is 1024099121.

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 1219904201 - 2²⁶ = 1152795337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1219904261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188660 + ... + 195018.

It is an arithmetic number, because the mean of its divisors is an integer number (156265200).

Almost surely, 2^1219904201 is an apocalyptic number.

It is an amenable number.

1219904201 is a deficient number, since it is larger than the sum of its proper divisors (30217399).

1219904201 is an equidigital number, since it uses as much as digits as its factorization.

1219904201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1219904201 is about 34927.1270075281. The cubic root of 1219904201 is about 1068.5017610890.

The spelling of 1219904201 in words is "one billion, two hundred nineteen million, nine hundred four thousand, two hundred one".