1240401342 has 8 divisors (see below), whose sum is σ = 2480802696. Its totient is φ = 413467112.

The previous prime is 1240401341. The next prime is 1240401343. The reversal of 1240401342 is 2431040421.

It is an interprime number because it is at equal distance from previous prime (1240401341) and next prime (1240401343).

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

1240401342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240401341) 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, 103366773 + ... + 103366784.

It is an arithmetic number, because the mean of its divisors is an integer number (310100337).

Almost surely, 2^1240401342 is an apocalyptic number.

1240401342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1240401342 is a wasteful number, since it uses less digits than its factorization.

1240401342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206733562.

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

The square root of 1240401342 is about 35219.3319357423. The cubic root of 1240401342 is about 1074.4529661714.

Adding to 1240401342 its reverse (2431040421), we get a palindrome (3671441763).

The spelling of 1240401342 in words is "one billion, two hundred forty million, four hundred one thousand, three hundred forty-two".