1307421448 has 32 divisors (see below), whose sum is σ = 2658935160. Its totient is φ = 600248320.

The previous prime is 1307421433. The next prime is 1307421449. The reversal of 1307421448 is 8441247031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1107425284 + 199996164 = 33278^2 + 14142^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1307421449) 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, 111661 + ... + 122812.

Almost surely, 2^1307421448 is an apocalyptic number.

It is an amenable number.

1307421448 is an abundant number, since it is smaller than the sum of its proper divisors (1351513712).

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

1307421448 is a wasteful number, since it uses less digits than its factorization.

1307421448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234537 (or 234533 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1307421448 is about 36158.2832557078. The cubic root of 1307421448 is about 1093.4657935720.

Adding to 1307421448 its reverse (8441247031), we get a palindrome (9748668479).

The spelling of 1307421448 in words is "one billion, three hundred seven million, four hundred twenty-one thousand, four hundred forty-eight".