1401201122 has 4 divisors (see below), whose sum is σ = 2101801686. Its totient is φ = 700600560.

The previous prime is 1401201079. The next prime is 1401201127. The reversal of 1401201122 is 2211021041.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 744252961 + 656948161 = 27281^2 + 25631^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1401201097 and 1401201106.

It is not an unprimeable number, because it can be changed into a prime (1401201127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350300279 + ... + 350300282.

Almost surely, 2^1401201122 is an apocalyptic number.

1401201122 is a deficient number, since it is larger than the sum of its proper divisors (700600564).

1401201122 is an equidigital number, since it uses as much as digits as its factorization.

1401201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700600563.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1401201122 is about 37432.6210944411. The cubic root of 1401201122 is about 1119.0087748944.

Adding to 1401201122 its reverse (2211021041), we get a palindrome (3612222163).

The spelling of 1401201122 in words is "one billion, four hundred one million, two hundred one thousand, one hundred twenty-two".