1400122404 has 72 divisors (see below), whose sum is σ = 3578178240. Its totient is φ = 461598912.

The previous prime is 1400122403. The next prime is 1400122453. The reversal of 1400122404 is 4042210041.

1400122404 is a `hidden beast` number, since 140 + 0 + 122 + 404 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1400122403) 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 in 23 ways as a sum of consecutive naturals, for example, 1578049 + ... + 1578935.

It is an arithmetic number, because the mean of its divisors is an integer number (49696920).

Almost surely, 2^1400122404 is an apocalyptic number.

It is an amenable number.

1400122404 is an abundant number, since it is smaller than the sum of its proper divisors (2178055836).

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

1400122404 is a wasteful number, since it uses less digits than its factorization.

1400122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1400122404 is about 37418.2095242410. The cubic root of 1400122404 is about 1118.7215439887.

Adding to 1400122404 its reverse (4042210041), we get a palindrome (5442332445).

The spelling of 1400122404 in words is "one billion, four hundred million, one hundred twenty-two thousand, four hundred four".