1401065 has 8 divisors (see below), whose sum is σ = 1703040. Its totient is φ = 1106352.

The previous prime is 1401053. The next prime is 1401067. The reversal of 1401065 is 5601041.

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 not a de Polignac number, because 1401065 - 2⁸ = 1400809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401067) 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, 1379 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (212880).

2^1401065 is an apocalyptic number.

It is an amenable number.

1401065 is a deficient number, since it is larger than the sum of its proper divisors (301975).

1401065 is an equidigital number, since it uses as much as digits as its factorization.

1401065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1401065 is about 1183.6659157043. The cubic root of 1401065 is about 111.8972537735.

The spelling of 1401065 in words is "one million, four hundred one thousand, sixty-five".