1401124311 has 20 divisors (see below), whose sum is σ = 2127357144. Its totient is φ = 918766800.

The previous prime is 1401124289. The next prime is 1401124321. The reversal of 1401124311 is 1134211041.

It is not a de Polignac number, because 1401124311 - 2¹⁰ = 1401123287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401124321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 136845 + ... + 146726.

Almost surely, 2^1401124311 is an apocalyptic number.

1401124311 is a deficient number, since it is larger than the sum of its proper divisors (726232833).

1401124311 is an equidigital number, since it uses as much as digits as its factorization.

1401124311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283644 (or 283635 counting only the distinct ones).

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

The square root of 1401124311 is about 37431.5950902443. The cubic root of 1401124311 is about 1118.9883272579.

Adding to 1401124311 its reverse (1134211041), we get a palindrome (2535335352).

The spelling of 1401124311 in words is "one billion, four hundred one million, one hundred twenty-four thousand, three hundred eleven".