1309424977 has 8 divisors (see below), whose sum is σ = 1503022400. Its totient is φ = 1117461744.

The previous prime is 1309424971. The next prime is 1309424989. The reversal of 1309424977 is 7794249031.

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

It is not a de Polignac number, because 1309424977 - 2³ = 1309424969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1309424971) 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, 406827 + ... + 410032.

It is an arithmetic number, because the mean of its divisors is an integer number (187877800).

Almost surely, 2^1309424977 is an apocalyptic number.

It is an amenable number.

1309424977 is a deficient number, since it is larger than the sum of its proper divisors (193597423).

1309424977 is an equidigital number, since it uses as much as digits as its factorization.

1309424977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817095.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1309424977 is about 36185.9776294630. The cubic root of 1309424977 is about 1094.0240609685.

The spelling of 1309424977 in words is "one billion, three hundred nine million, four hundred twenty-four thousand, nine hundred seventy-seven".