1401031742128 has 20 divisors (see below), whose sum is σ = 2719895634288. Its totient is φ = 699123191360.

The previous prime is 1401031742111. The next prime is 1401031742129. The reversal of 1401031742128 is 8212471301041.

It is a junction number, because it is equal to n+sod(n) for n = 1401031742093 and 1401031742102.

It is not an unprimeable number, because it can be changed into a prime (1401031742129) by changing a digit.

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, 87034183 + ... + 87050278.

Almost surely, 2^{1401031742128} is an apocalyptic number.

It is an amenable number.

1401031742128 is a deficient number, since it is larger than the sum of its proper divisors (1318863892160).

1401031742128 is a wasteful number, since it uses less digits than its factorization.

1401031742128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174084972 (or 174084966 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 1401031742128 in words is "one trillion, four hundred one billion, thirty-one million, seven hundred forty-two thousand, one hundred twenty-eight".