1242361134404 has 18 divisors (see below), whose sum is σ = 2354237594730. Its totient is φ = 573397446336.

The previous prime is 1242361134397. The next prime is 1242361134407. The reversal of 1242361134404 is 4044311632421.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 104303161600 + 1138057972804 = 322960^2 + 1066798^2 .

It is a super-2 number, since 2×1242361134404² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242361134407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918905489 + ... + 918906840.

It is an arithmetic number, because the mean of its divisors is an integer number (130790977485).

Almost surely, 2^{1242361134404} is an apocalyptic number.

It is an amenable number.

1242361134404 is a deficient number, since it is larger than the sum of its proper divisors (1111876460326).

1242361134404 is a wasteful number, since it uses less digits than its factorization.

1242361134404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837812359 (or 1837812344 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 1242361134404 its reverse (4044311632421), we get a palindrome (5286672766825).

The spelling of 1242361134404 in words is "one trillion, two hundred forty-two billion, three hundred sixty-one million, one hundred thirty-four thousand, four hundred four".