1401041071421 has 8 divisors (see below), whose sum is σ = 1474812933600. Its totient is φ = 1327272495120.

The previous prime is 1401041071403. The next prime is 1401041071499. The reversal of 1401041071421 is 1241701401041.

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

It is a cyclic number.

It is not a de Polignac number, because 1401041071421 - 2³⁰ = 1399967329597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401041071621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79070 + ... + 1675808.

It is an arithmetic number, because the mean of its divisors is an integer number (184351616700).

Almost surely, 2^{1401041071421} is an apocalyptic number.

It is an amenable number.

1401041071421 is a deficient number, since it is larger than the sum of its proper divisors (73771862179).

1401041071421 is a wasteful number, since it uses less digits than its factorization.

1401041071421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642939.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 1401041071421 its reverse (1241701401041), we get a palindrome (2642742472462).

The spelling of 1401041071421 in words is "one trillion, four hundred one billion, forty-one million, seventy-one thousand, four hundred twenty-one".