1320125459 has 8 divisors (see below), whose sum is σ = 1333307712. Its totient is φ = 1307007360.

The previous prime is 1320125423. The next prime is 1320125473. The reversal of 1320125459 is 9545210231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320125459 - 2⁸ = 1320125203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320125159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25862 + ... + 57524.

It is an arithmetic number, because the mean of its divisors is an integer number (166663464).

Almost surely, 2^1320125459 is an apocalyptic number.

1320125459 is a deficient number, since it is larger than the sum of its proper divisors (13182253).

1320125459 is a wasteful number, since it uses less digits than its factorization.

1320125459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32077.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1320125459 is about 36333.5307808091. The cubic root of 1320125459 is about 1096.9960628373.

The spelling of 1320125459 in words is "one billion, three hundred twenty million, one hundred twenty-five thousand, four hundred fifty-nine".