1141247215 has 8 divisors (see below), whose sum is σ = 1369687968. Its totient is φ = 912870240.

The previous prime is 1141247171. The next prime is 1141247243. The reversal of 1141247215 is 5127421411.

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

It is not a de Polignac number, because 1141247215 - 2⁷ = 1141247087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 43750 + ... + 64780.

It is an arithmetic number, because the mean of its divisors is an integer number (171210996).

Almost surely, 2^1141247215 is an apocalyptic number.

1141247215 is a deficient number, since it is larger than the sum of its proper divisors (228440753).

1141247215 is a wasteful number, since it uses less digits than its factorization.

1141247215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31889.

The product of its digits is 2240, while the sum is 28.

The square root of 1141247215 is about 33782.3506434943. The cubic root of 1141247215 is about 1045.0247515943.

Adding to 1141247215 its reverse (5127421411), we get a palindrome (6268668626).

The spelling of 1141247215 in words is "one billion, one hundred forty-one million, two hundred forty-seven thousand, two hundred fifteen".