1201400011 has 4 divisors (see below), whose sum is σ = 1373028592. Its totient is φ = 1029771432.

The previous prime is 1201400003. The next prime is 1201400033. The reversal of 1201400011 is 1100041021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1100041021 = 29 ⋅37932449.

It is a cyclic number.

It is not a de Polignac number, because 1201400011 - 2³ = 1201400003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201400051) 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, 85814280 + ... + 85814293.

It is an arithmetic number, because the mean of its divisors is an integer number (343257148).

Almost surely, 2^1201400011 is an apocalyptic number.

1201400011 is a deficient number, since it is larger than the sum of its proper divisors (171628581).

1201400011 is an equidigital number, since it uses as much as digits as its factorization.

1201400011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171628580.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1201400011 is about 34661.2176791295. The cubic root of 1201400011 is about 1063.0716679307.

Adding to 1201400011 its reverse (1100041021), we get a palindrome (2301441032).

The spelling of 1201400011 in words is "one billion, two hundred one million, four hundred thousand, eleven".