1401324111 has 48 divisors (see below), whose sum is σ = 2292175200. Its totient is φ = 845475840.

The previous prime is 1401324107. The next prime is 1401324121. The reversal of 1401324111 is 1114231041.

It is not a de Polignac number, because 1401324111 - 2² = 1401324107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401324101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 838785 + ... + 840453.

It is an arithmetic number, because the mean of its divisors is an integer number (47753650).

Almost surely, 2^1401324111 is an apocalyptic number.

1401324111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1401324111 is a deficient number, since it is larger than the sum of its proper divisors (890851089).

1401324111 is a wasteful number, since it uses less digits than its factorization.

1401324111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1401324111 is about 37434.2638634714. The cubic root of 1401324111 is about 1119.0415138880.

Adding to 1401324111 its reverse (1114231041), we get a palindrome (2515555152).

The spelling of 1401324111 in words is "one billion, four hundred one million, three hundred twenty-four thousand, one hundred eleven".