1401203165 has 8 divisors (see below), whose sum is σ = 1769940960. Its totient is φ = 1061964432.

The previous prime is 1401203149. The next prime is 1401203173. The reversal of 1401203165 is 5613021041.

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 1401203165 - 2⁴ = 1401203149 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401203165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7374659 + ... + 7374848.

It is an arithmetic number, because the mean of its divisors is an integer number (221242620).

Almost surely, 2^1401203165 is an apocalyptic number.

It is an amenable number.

1401203165 is a deficient number, since it is larger than the sum of its proper divisors (368737795).

1401203165 is a wasteful number, since it uses less digits than its factorization.

1401203165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749531.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1401203165 is about 37432.6483834633. The cubic root of 1401203165 is about 1119.0093187453.

The spelling of 1401203165 in words is "one billion, four hundred one million, two hundred three thousand, one hundred sixty-five".