1401123240424 has 16 divisors (see below), whose sum is σ = 2628139187520. Its totient is φ = 700286123760.

The previous prime is 1401123240403. The next prime is 1401123240481. The reversal of 1401123240424 is 4240423211041.

It is a junction number, because it is equal to n+sod(n) for n = 1401123240392 and 1401123240401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34415442 + ... + 34456129.

It is an arithmetic number, because the mean of its divisors is an integer number (164258699220).

Almost surely, 2^{1401123240424} is an apocalyptic number.

It is an amenable number.

1401123240424 is a deficient number, since it is larger than the sum of its proper divisors (1227015947096).

1401123240424 is a wasteful number, since it uses less digits than its factorization.

1401123240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68874120 (or 68874116 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1401123240424 its reverse (4240423211041), we get a palindrome (5641546451465).

The spelling of 1401123240424 in words is "one trillion, four hundred one billion, one hundred twenty-three million, two hundred forty thousand, four hundred twenty-four".