1341244261 has 24 divisors (see below), whose sum is σ = 1581033600. Its totient is φ = 1114547616.

The previous prime is 1341244259. The next prime is 1341244309. The reversal of 1341244261 is 1624421431.

It is not a de Polignac number, because 1341244261 - 2¹ = 1341244259 is a prime.

It is a super-2 number, since 2×1341244261² = 3597872335330872242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341244361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2238840 + ... + 2239438.

It is an arithmetic number, because the mean of its divisors is an integer number (65876400).

Almost surely, 2^1341244261 is an apocalyptic number.

It is an amenable number.

1341244261 is a deficient number, since it is larger than the sum of its proper divisors (239789339).

1341244261 is an equidigital number, since it uses as much as digits as its factorization.

1341244261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 822 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1341244261 is about 36623.0018021461. The cubic root of 1341244261 is about 1102.8149009897.

Adding to 1341244261 its reverse (1624421431), we get a palindrome (2965665692).

The spelling of 1341244261 in words is "one billion, three hundred forty-one million, two hundred forty-four thousand, two hundred sixty-one".