1213420241 has 8 divisors (see below), whose sum is σ = 1324828224. Its totient is φ = 1102195120.

The previous prime is 1213420231. The next prime is 1213420267. The reversal of 1213420241 is 1420243121.

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 1213420241 - 2³⁰ = 139678417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213420231) 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, 31646 + ... + 58551.

It is an arithmetic number, because the mean of its divisors is an integer number (165603528).

Almost surely, 2^1213420241 is an apocalyptic number.

1213420241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1213420241 is a deficient number, since it is larger than the sum of its proper divisors (111407983).

1213420241 is a wasteful number, since it uses less digits than its factorization.

1213420241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91431.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1213420241 is about 34834.1820773791. The cubic root of 1213420241 is about 1066.6053188133.

Adding to 1213420241 its reverse (1420243121), we get a palindrome (2633663362).

The spelling of 1213420241 in words is "one billion, two hundred thirteen million, four hundred twenty thousand, two hundred forty-one".