1320150909 has 32 divisors (see below), whose sum is σ = 2222346240. Its totient is φ = 677102400.

The previous prime is 1320150859. The next prime is 1320150967. The reversal of 1320150909 is 9090510231.

It is not a de Polignac number, because 1320150909 - 2⁸ = 1320150653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320150509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17922 + ... + 54419.

It is an arithmetic number, because the mean of its divisors is an integer number (69448320).

Almost surely, 2^1320150909 is an apocalyptic number.

It is an amenable number.

1320150909 is a deficient number, since it is larger than the sum of its proper divisors (902195331).

1320150909 is a wasteful number, since it uses less digits than its factorization.

1320150909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72441.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1320150909 is about 36333.8810065757. The cubic root of 1320150909 is about 1097.0031122608.

The spelling of 1320150909 in words is "one billion, three hundred twenty million, one hundred fifty thousand, nine hundred nine".