1401505 has 16 divisors (see below), whose sum is σ = 2006784. Its totient is φ = 918720.

The previous prime is 1401487. The next prime is 1401511. The reversal of 1401505 is 5051041.

It is a happy number.

It is not a de Polignac number, because 1401505 - 2⁷ = 1401377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (125424).

2^1401505 is an apocalyptic number.

It is an amenable number.

1401505 is a deficient number, since it is larger than the sum of its proper divisors (605279).

1401505 is a wasteful number, since it uses less digits than its factorization.

1401505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1401505 is about 1183.8517643692. The cubic root of 1401505 is about 111.9089662062.

Adding to 1401505 its reverse (5051041), we get a palindrome (6452546).

The spelling of 1401505 in words is "one million, four hundred one thousand, five hundred five".