1050131509 has 8 divisors (see below), whose sum is σ = 1228061120. Its totient is φ = 879179616.

The previous prime is 1050131473. The next prime is 1050131513. The reversal of 1050131509 is 9051310501.

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

It is a de Polignac number, because none of the positive numbers 2^k-1050131509 is a prime.

It is a super-2 number, since 2×1050131509² = 2205552372389234162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050131519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1744104 + ... + 1744705.

It is an arithmetic number, because the mean of its divisors is an integer number (153507640).

Almost surely, 2^1050131509 is an apocalyptic number.

It is an amenable number.

1050131509 is a deficient number, since it is larger than the sum of its proper divisors (177929611).

1050131509 is an equidigital number, since it uses as much as digits as its factorization.

1050131509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488859.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 1050131509 is about 32405.7326564298. The cubic root of 1050131509 is about 1016.4387884620.

The spelling of 1050131509 in words is "one billion, fifty million, one hundred thirty-one thousand, five hundred nine".