1241223015 has 16 divisors (see below), whose sum is σ = 2013163488. Its totient is φ = 652916736.

The previous prime is 1241223007. The next prime is 1241223031. The reversal of 1241223015 is 5103221421.

It is not a de Polignac number, because 1241223015 - 2³ = 1241223007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241222982 and 1241223000.

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, 565674 + ... + 567863.

It is an arithmetic number, because the mean of its divisors is an integer number (125822718).

Almost surely, 2^1241223015 is an apocalyptic number.

1241223015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1241223015 is a deficient number, since it is larger than the sum of its proper divisors (771940473).

1241223015 is a wasteful number, since it uses less digits than its factorization.

1241223015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133618.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1241223015 is about 35230.9950895515. The cubic root of 1241223015 is about 1074.6901620137.

Adding to 1241223015 its reverse (5103221421), we get a palindrome (6344444436).

The spelling of 1241223015 in words is "one billion, two hundred forty-one million, two hundred twenty-three thousand, fifteen".