1341512221 has 8 divisors (see below), whose sum is σ = 1535026304. Its totient is φ = 1148465520.

The previous prime is 1341512209. The next prime is 1341512243. The reversal of 1341512221 is 1222151431.

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 1341512221 - 2⁷ = 1341512093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341512192 and 1341512201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341512201) 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, 110670 + ... + 122191.

It is an arithmetic number, because the mean of its divisors is an integer number (191878288).

Almost surely, 2^1341512221 is an apocalyptic number.

It is an amenable number.

1341512221 is a deficient number, since it is larger than the sum of its proper divisors (193514083).

1341512221 is an equidigital number, since it uses as much as digits as its factorization.

1341512221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233691.

The product of its digits is 480, while the sum is 22.

The square root of 1341512221 is about 36626.6599760339. The cubic root of 1341512221 is about 1102.8883379249. Note that the first 3 decimals are identical.

Adding to 1341512221 its reverse (1222151431), we get a palindrome (2563663652).

The spelling of 1341512221 in words is "one billion, three hundred forty-one million, five hundred twelve thousand, two hundred twenty-one".