1401601 has 2 divisors, whose sum is σ = 1401602. Its totient is φ = 1401600.

The previous prime is 1401571. The next prime is 1401607. The reversal of 1401601 is 1061041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 361201 = 1020^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401601 - 2¹¹ = 1399553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700800 + 700801.

It is an arithmetic number, because the mean of its divisors is an integer number (700801).

2^1401601 is an apocalyptic number.

It is an amenable number.

1401601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401601 is an equidigital number, since it uses as much as digits as its factorization.

1401601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1401601 is about 1183.8923092917. The cubic root of 1401601 is about 111.9115213203.

Adding to 1401601 its reverse (1061041), we get a palindrome (2462642).

It can be divided in two parts, 1401 and 601, that added together give a palindrome (2002).

The spelling of 1401601 in words is "one million, four hundred one thousand, six hundred one".