1307209842 has 24 divisors (see below), whose sum is σ = 2981356560. Its totient is φ = 412803000.

The previous prime is 1307209837. The next prime is 1307209843. The reversal of 1307209842 is 2489027031.

1307209842 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1307209797 and 1307209806.

It is not an unprimeable number, because it can be changed into a prime (1307209843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1910784 + ... + 1911467.

It is an arithmetic number, because the mean of its divisors is an integer number (124223190).

Almost surely, 2^1307209842 is an apocalyptic number.

1307209842 is an abundant number, since it is smaller than the sum of its proper divisors (1674146718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1307209842 is a wasteful number, since it uses less digits than its factorization.

1307209842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822278 (or 3822275 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1307209842 is about 36155.3570304595. The cubic root of 1307209842 is about 1093.4067979545.

The spelling of 1307209842 in words is "one billion, three hundred seven million, two hundred nine thousand, eight hundred forty-two".