1240109504 has 28 divisors (see below), whose sum is σ = 2501191848. Its totient is φ = 609888000.

The previous prime is 1240109503. The next prime is 1240109509. The reversal of 1240109504 is 4059010421.

It is a super-2 number, since 2×1240109504² = 3075743163822252032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240109503) 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 3 ways as a sum of consecutive naturals, for example, 154922 + ... + 162729.

Almost surely, 2^1240109504 is an apocalyptic number.

It is an amenable number.

1240109504 is an abundant number, since it is smaller than the sum of its proper divisors (1261082344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240109504 is an equidigital number, since it uses as much as digits as its factorization.

1240109504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317724 (or 317714 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1240109504 is about 35215.1885413098. The cubic root of 1240109504 is about 1074.3686948448.

Adding to 1240109504 its reverse (4059010421), we get a palindrome (5299119925).

The spelling of 1240109504 in words is "one billion, two hundred forty million, one hundred nine thousand, five hundred four".