1401430122 has 24 divisors (see below), whose sum is σ = 3215046276. Its totient is φ = 439664256.

The previous prime is 1401430097. The next prime is 1401430123. The reversal of 1401430122 is 2210341041.

It can be written as a sum of positive squares in 2 ways, for example, as 1398834801 + 2595321 = 37401^2 + 1611^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1401430095 and 1401430104.

It is not an unprimeable number, because it can be changed into a prime (1401430123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2289613 + ... + 2290224.

Almost surely, 2^1401430122 is an apocalyptic number.

1401430122 is an abundant number, since it is smaller than the sum of its proper divisors (1813616154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401430122 is a wasteful number, since it uses less digits than its factorization.

1401430122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579862 (or 4579859 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1401430122 is about 37435.6797988229. The cubic root of 1401430122 is about 1119.0697318945.

Adding to 1401430122 its reverse (2210341041), we get a palindrome (3611771163).

The spelling of 1401430122 in words is "one billion, four hundred one million, four hundred thirty thousand, one hundred twenty-two".