1340012242 has 8 divisors (see below), whose sum is σ = 2022350256. Its totient is φ = 665895492.

The previous prime is 1340012173. The next prime is 1340012243. The reversal of 1340012242 is 2422100431.

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

It is not an unprimeable number, because it can be changed into a prime (1340012243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054908 + ... + 2055559.

It is an arithmetic number, because the mean of its divisors is an integer number (252793782).

Almost surely, 2^1340012242 is an apocalyptic number.

1340012242 is a deficient number, since it is larger than the sum of its proper divisors (682338014).

1340012242 is a wasteful number, since it uses less digits than its factorization.

1340012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110632.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1340012242 is about 36606.1776480419. The cubic root of 1340012242 is about 1102.4771287738.

Adding to 1340012242 its reverse (2422100431), we get a palindrome (3762112673).

The spelling of 1340012242 in words is "one billion, three hundred forty million, twelve thousand, two hundred forty-two".