1299924547 has 2 divisors, whose sum is σ = 1299924548. Its totient is φ = 1299924546.

The previous prime is 1299924523. The next prime is 1299924551. The reversal of 1299924547 is 7454299921.

It is a strong prime.

It is an emirp because it is prime and its reverse (7454299921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1299924547 - 2¹¹ = 1299922499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1299924494 and 1299924503.

It is not a weakly prime, because it can be changed into another prime (1299924347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649962273 + 649962274.

It is an arithmetic number, because the mean of its divisors is an integer number (649962274).

Almost surely, 2^1299924547 is an apocalyptic number.

1299924547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299924547 is an equidigital number, since it uses as much as digits as its factorization.

1299924547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 1299924547 is about 36054.4663946091. The cubic root of 1299924547 is about 1091.3717675584.

The spelling of 1299924547 in words is "one billion, two hundred ninety-nine million, nine hundred twenty-four thousand, five hundred forty-seven".