1241145215 has 16 divisors (see below), whose sum is σ = 1522741248. Its totient is φ = 970718496.

The previous prime is 1241145203. The next prime is 1241145253. The reversal of 1241145215 is 5125411421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1241145215 - 2¹⁴ = 1241128831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261554 + ... + 266256.

It is an arithmetic number, because the mean of its divisors is an integer number (95171328).

Almost surely, 2^1241145215 is an apocalyptic number.

1241145215 is a deficient number, since it is larger than the sum of its proper divisors (281596033).

1241145215 is a wasteful number, since it uses less digits than its factorization.

1241145215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878.

The product of its digits is 1600, while the sum is 26.

The square root of 1241145215 is about 35229.8909308559. The cubic root of 1241145215 is about 1074.6677076439.

Adding to 1241145215 its reverse (5125411421), we get a palindrome (6366556636).

The spelling of 1241145215 in words is "one billion, two hundred forty-one million, one hundred forty-five thousand, two hundred fifteen".