1351240241 has 8 divisors (see below), whose sum is σ = 1466291904. Its totient is φ = 1237775760.

The previous prime is 1351240237. The next prime is 1351240273. The reversal of 1351240241 is 1420421531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1351240241 - 2² = 1351240237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351240441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395021 + ... + 398426.

It is an arithmetic number, because the mean of its divisors is an integer number (183286488).

Almost surely, 2^1351240241 is an apocalyptic number.

It is an amenable number.

1351240241 is a deficient number, since it is larger than the sum of its proper divisors (115051663).

1351240241 is a wasteful number, since it uses less digits than its factorization.

1351240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793591.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1351240241 is about 36759.2198094573. The cubic root of 1351240241 is about 1105.5477968826.

Adding to 1351240241 its reverse (1420421531), we get a palindrome (2771661772).

The spelling of 1351240241 in words is "one billion, three hundred fifty-one million, two hundred forty thousand, two hundred forty-one".