1011215241 has 12 divisors (see below), whose sum is σ = 1477057140. Its totient is φ = 666568320.

The previous prime is 1011215237. The next prime is 1011215273. The reversal of 1011215241 is 1425121101.

It can be written as a sum of positive squares in 2 ways, for example, as 527391225 + 483824016 = 22965^2 + 21996^2 .

It is not a de Polignac number, because 1011215241 - 2² = 1011215237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011215141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630420 + ... + 632021.

It is an arithmetic number, because the mean of its divisors is an integer number (123088095).

Almost surely, 2^1011215241 is an apocalyptic number.

It is an amenable number.

1011215241 is a deficient number, since it is larger than the sum of its proper divisors (465841899).

1011215241 is a wasteful number, since it uses less digits than its factorization.

1011215241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262536 (or 1262533 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1011215241 is about 31799.6107051643. The cubic root of 1011215241 is about 1003.7245243626.

Adding to 1011215241 its reverse (1425121101), we get a palindrome (2436336342).

The spelling of 1011215241 in words is "one billion, eleven million, two hundred fifteen thousand, two hundred forty-one".