1401412235021 has 8 divisors (see below), whose sum is σ = 1466435783424. Its totient is φ = 1337627230560.

The previous prime is 1401412235009. The next prime is 1401412235039. The reversal of 1401412235021 is 1205322141041.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401412235021 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 (1401412235081) 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, 309633671 + ... + 309638196.

It is an arithmetic number, because the mean of its divisors is an integer number (183304472928).

Almost surely, 2^{1401412235021} is an apocalyptic number.

It is an amenable number.

1401412235021 is a deficient number, since it is larger than the sum of its proper divisors (65023548403).

1401412235021 is an equidigital number, since it uses as much as digits as its factorization.

1401412235021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619271971.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1401412235021 its reverse (1205322141041), we get a palindrome (2606734376062).

The spelling of 1401412235021 in words is "one trillion, four hundred one billion, four hundred twelve million, two hundred thirty-five thousand, twenty-one".