1148621215 has 16 divisors (see below), whose sum is σ = 1576249920. Its totient is φ = 787127040.

The previous prime is 1148621209. The next prime is 1148621233. The reversal of 1148621215 is 5121268411.

It is not a de Polignac number, because 1148621215 - 2⁹ = 1148620703 is a prime.

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, 50701 + ... + 69769.

It is an arithmetic number, because the mean of its divisors is an integer number (98515620).

Almost surely, 2^1148621215 is an apocalyptic number.

1148621215 is a deficient number, since it is larger than the sum of its proper divisors (427628705).

1148621215 is a wasteful number, since it uses less digits than its factorization.

1148621215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20802.

The product of its digits is 3840, while the sum is 31.

The square root of 1148621215 is about 33891.3147428659. The cubic root of 1148621215 is about 1047.2706788725.

Adding to 1148621215 its reverse (5121268411), we get a palindrome (6269889626).

The spelling of 1148621215 in words is "one billion, one hundred forty-eight million, six hundred twenty-one thousand, two hundred fifteen".