1404122140 has 24 divisors (see below), whose sum is σ = 3122107632. Its totient is φ = 528610560.

The previous prime is 1404122119. The next prime is 1404122177. The reversal of 1404122140 is 412214041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064546 + ... + 2065225.

It is an arithmetic number, because the mean of its divisors is an integer number (130087818).

Almost surely, 2^1404122140 is an apocalyptic number.

1404122140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404122140 is an abundant number, since it is smaller than the sum of its proper divisors (1717985492).

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

1404122140 is a wasteful number, since it uses less digits than its factorization.

1404122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129797 (or 4129795 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1404122140 is about 37471.6177926708. The cubic root of 1404122140 is about 1119.7858168239.

Adding to 1404122140 its reverse (412214041), we get a palindrome (1816336181).

The spelling of 1404122140 in words is "one billion, four hundred four million, one hundred twenty-two thousand, one hundred forty".