1240001342 has 8 divisors (see below), whose sum is σ = 1867075056. Its totient is φ = 617642992.

The previous prime is 1240001339. The next prime is 1240001381. The reversal of 1240001342 is 2431000421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1240001342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178183 + ... + 1179234.

It is an arithmetic number, because the mean of its divisors is an integer number (233384382).

Almost surely, 2^1240001342 is an apocalyptic number.

1240001342 is a deficient number, since it is larger than the sum of its proper divisors (627073714).

1240001342 is a wasteful number, since it uses less digits than its factorization.

1240001342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357682.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1240001342 is about 35213.6527784324. The cubic root of 1240001342 is about 1074.3374585588.

Adding to 1240001342 its reverse (2431000421), we get a palindrome (3671001763).

The spelling of 1240001342 in words is "one billion, two hundred forty million, one thousand, three hundred forty-two".