1440000125 has 16 divisors (see below), whose sum is σ = 1838920512. Its totient is φ = 1125205200.

The previous prime is 1440000119. The next prime is 1440000131. The reversal of 1440000125 is 5210000441.

It is an interprime number because it is at equal distance from previous prime (1440000119) and next prime (1440000131).

It is not a de Polignac number, because 1440000125 - 2⁴ = 1440000109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128579 + ... + 139328.

It is an arithmetic number, because the mean of its divisors is an integer number (114932532).

Almost surely, 2^1440000125 is an apocalyptic number.

It is an amenable number.

1440000125 is a deficient number, since it is larger than the sum of its proper divisors (398920387).

1440000125 is an equidigital number, since it uses as much as digits as its factorization.

1440000125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267965 (or 267955 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1440000125 is about 37947.3335690401. Note that the first 3 decimals coincide. The cubic root of 1440000125 is about 1129.2432673321.

Adding to 1440000125 its reverse (5210000441), we get a palindrome (6650000566).

The spelling of 1440000125 in words is "one billion, four hundred forty million, one hundred twenty-five", and thus it is an aban number.