1240533015 has 16 divisors (see below), whose sum is σ = 2031013248. Its totient is φ = 646230816.

The previous prime is 1240533013. The next prime is 1240533053. The reversal of 1240533015 is 5103350421.

It is not a de Polignac number, because 1240533015 - 2¹ = 1240533013 is a prime.

It is a super-2 number, since 2×1240533015² = 3077844322609980450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240533011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961009 + ... + 962298.

It is an arithmetic number, because the mean of its divisors is an integer number (126938328).

Almost surely, 2^1240533015 is an apocalyptic number.

1240533015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1240533015 is a deficient number, since it is larger than the sum of its proper divisors (790480233).

1240533015 is a wasteful number, since it uses less digits than its factorization.

1240533015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923358.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1240533015 is about 35221.2012146094. The cubic root of 1240533015 is about 1074.4909838233.

Adding to 1240533015 its reverse (5103350421), we get a palindrome (6343883436).

The spelling of 1240533015 in words is "one billion, two hundred forty million, five hundred thirty-three thousand, fifteen".