1307458049 has 4 divisors (see below), whose sum is σ = 1384367364. Its totient is φ = 1230548736.

The previous prime is 1307458037. The next prime is 1307458063. The reversal of 1307458049 is 9408547031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 689587600 + 617870449 = 26260^2 + 24857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307458049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1307457997 and 1307458015.

It is not an unprimeable number, because it can be changed into a prime (1307451049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38454632 + ... + 38454665.

It is an arithmetic number, because the mean of its divisors is an integer number (346091841).

Almost surely, 2^1307458049 is an apocalyptic number.

It is an amenable number.

1307458049 is a deficient number, since it is larger than the sum of its proper divisors (76909315).

1307458049 is an equidigital number, since it uses as much as digits as its factorization.

1307458049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76909314.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1307458049 is about 36158.7893740927. The cubic root of 1307458049 is about 1093.4759972617.

The spelling of 1307458049 in words is "one billion, three hundred seven million, four hundred fifty-eight thousand, forty-nine".