1141215137 has 8 divisors (see below), whose sum is σ = 1152604296. Its totient is φ = 1129848832.

The previous prime is 1141215109. The next prime is 1141215139. The reversal of 1141215137 is 7315121411.

It can be written as a sum of positive squares in 4 ways, for example, as 2085136 + 1139130001 = 1444^2 + 33751^2 .

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 1141215137 - 2⁶ = 1141215073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141215139) 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, 105233 + ... + 115569.

It is an arithmetic number, because the mean of its divisors is an integer number (144075537).

Almost surely, 2^1141215137 is an apocalyptic number.

It is an amenable number.

1141215137 is a deficient number, since it is larger than the sum of its proper divisors (11389159).

1141215137 is a wasteful number, since it uses less digits than its factorization.

1141215137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427.

The product of its digits is 840, while the sum is 26.

The square root of 1141215137 is about 33781.8758656176. The cubic root of 1141215137 is about 1045.0149603713.

Adding to 1141215137 its reverse (7315121411), we get a palindrome (8456336548).

The spelling of 1141215137 in words is "one billion, one hundred forty-one million, two hundred fifteen thousand, one hundred thirty-seven".