1401162401 has 4 divisors (see below), whose sum is σ = 1402104900. Its totient is φ = 1400219904.

The previous prime is 1401162319. The next prime is 1401162403. The reversal of 1401162401 is 1042611041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 411116176 + 990046225 = 20276^2 + 31465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401162401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401162403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469016 + ... + 471993.

It is an arithmetic number, because the mean of its divisors is an integer number (350526225).

Almost surely, 2^1401162401 is an apocalyptic number.

It is an amenable number.

1401162401 is a deficient number, since it is larger than the sum of its proper divisors (942499).

1401162401 is an equidigital number, since it uses as much as digits as its factorization.

1401162401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942498.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1401162401 is about 37432.1038815613. The cubic root of 1401162401 is about 1118.9984671812.

Adding to 1401162401 its reverse (1042611041), we get a palindrome (2443773442).

The spelling of 1401162401 in words is "one billion, four hundred one million, one hundred sixty-two thousand, four hundred one".