1240323242 has 8 divisors (see below), whose sum is σ = 1877872896. Its totient is φ = 614365612.

The previous prime is 1240323167. The next prime is 1240323263. The reversal of 1240323242 is 2423230421.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2897738 + ... + 2898165.

It is an arithmetic number, because the mean of its divisors is an integer number (234734112).

Almost surely, 2^1240323242 is an apocalyptic number.

1240323242 is a deficient number, since it is larger than the sum of its proper divisors (637549654).

1240323242 is a wasteful number, since it uses less digits than its factorization.

1240323242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796012.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1240323242 is about 35218.2231522262. The cubic root of 1240323242 is about 1074.4304152611.

Adding to 1240323242 its reverse (2423230421), we get a palindrome (3663553663).

The spelling of 1240323242 in words is "one billion, two hundred forty million, three hundred twenty-three thousand, two hundred forty-two".