1401062111 has 4 divisors (see below), whose sum is σ = 1404062712. Its totient is φ = 1398061512.

The previous prime is 1401062093. The next prime is 1401062189. The reversal of 1401062111 is 1112601041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401062111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401062111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401061111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499600 + ... + 1500533.

It is an arithmetic number, because the mean of its divisors is an integer number (351015678).

Almost surely, 2^1401062111 is an apocalyptic number.

1401062111 is a deficient number, since it is larger than the sum of its proper divisors (3000601).

1401062111 is an equidigital number, since it uses as much as digits as its factorization.

1401062111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000600.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1401062111 is about 37430.7642321126. The cubic root of 1401062111 is about 1118.9717686263.

Adding to 1401062111 its reverse (1112601041), we get a palindrome (2513663152).

The spelling of 1401062111 in words is "one billion, four hundred one million, sixty-two thousand, one hundred eleven".