1401201011 has 12 divisors (see below), whose sum is σ = 1630579392. Its totient is φ = 1200579408.

The previous prime is 1401201007. The next prime is 1401201029. The reversal of 1401201011 is 1101021041.

It is not a de Polignac number, because 1401201011 - 2² = 1401201007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401200983 and 1401201001.

It is not an unprimeable number, because it can be changed into a prime (1401201071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243281 + ... + 248973.

It is an arithmetic number, because the mean of its divisors is an integer number (135881616).

Almost surely, 2^1401201011 is an apocalyptic number.

1401201011 is a deficient number, since it is larger than the sum of its proper divisors (229378381).

1401201011 is an equidigital number, since it uses as much as digits as its factorization.

1401201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730 (or 10723 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1401201011 is about 37432.6196117771. The cubic root of 1401201011 is about 1119.0087453459.

Adding to 1401201011 its reverse (1101021041), we get a palindrome (2502222052).

The spelling of 1401201011 in words is "one billion, four hundred one million, two hundred one thousand, eleven".