1300648249 has 16 divisors (see below), whose sum is σ = 1424666880. Its totient is φ = 1183178880.

The previous prime is 1300648247. The next prime is 1300648301. The reversal of 1300648249 is 9428460031.

It is a cyclic number.

It is not a de Polignac number, because 1300648249 - 2¹ = 1300648247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300648243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33589 + ... + 61069.

It is an arithmetic number, because the mean of its divisors is an integer number (89041680).

Almost surely, 2^1300648249 is an apocalyptic number.

1300648249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1300648249 is a deficient number, since it is larger than the sum of its proper divisors (124018631).

1300648249 is a wasteful number, since it uses less digits than its factorization.

1300648249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27600.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1300648249 is about 36064.5012304343. The cubic root of 1300648249 is about 1091.5742617225.

The spelling of 1300648249 in words is "one billion, three hundred million, six hundred forty-eight thousand, two hundred forty-nine".