1240134204 has 24 divisors (see below), whose sum is σ = 2900873808. Its totient is φ = 412345600.

The previous prime is 1240134191. The next prime is 1240134229. The reversal of 1240134204 is 4024310421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124047 + ... + 133670.

It is an arithmetic number, because the mean of its divisors is an integer number (120869742).

Almost surely, 2^1240134204 is an apocalyptic number.

It is an amenable number.

1240134204 is an abundant number, since it is smaller than the sum of its proper divisors (1660739604).

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

1240134204 is a wasteful number, since it uses less digits than its factorization.

1240134204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258125 (or 258123 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1240134204 is about 35215.5392405114. The cubic root of 1240134204 is about 1074.3758277446.

Adding to 1240134204 its reverse (4024310421), we get a palindrome (5264444625).

The spelling of 1240134204 in words is "one billion, two hundred forty million, one hundred thirty-four thousand, two hundred four".