1401841 has 16 divisors (see below), whose sum is σ = 1686400. Its totient is φ = 1164240.

The previous prime is 1401823. The next prime is 1401857. The reversal of 1401841 is 1481041.

It is not a de Polignac number, because 1401841 - 2⁵ = 1401809 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20890 + ... + 20956.

It is an arithmetic number, because the mean of its divisors is an integer number (105400).

2^1401841 is an apocalyptic number.

It is an amenable number.

1401841 is a deficient number, since it is larger than the sum of its proper divisors (284559).

1401841 is an frugal number, since it uses more digits than its factorization.

1401841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1401841 is about 1183.9936655236. The cubic root of 1401841 is about 111.9179085951.

Adding to 1401841 its reverse (1481041), we get a palindrome (2882882).

It can be divided in two parts, 140184 and 1, that added together give a triangular number (140185 = T₅₂₉).

The spelling of 1401841 in words is "one million, four hundred one thousand, eight hundred forty-one".