1248707543 has 2 divisors, whose sum is σ = 1248707544. Its totient is φ = 1248707542.

The previous prime is 1248707501. The next prime is 1248707557. The reversal of 1248707543 is 3457078421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1248707543 - 2¹⁶ = 1248642007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1248707543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248701543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624353771 + 624353772.

It is an arithmetic number, because the mean of its divisors is an integer number (624353772).

Almost surely, 2^1248707543 is an apocalyptic number.

1248707543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248707543 is an equidigital number, since it uses as much as digits as its factorization.

1248707543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 1248707543 is about 35337.0562299691. The cubic root of 1248707543 is about 1076.8459484233.

The spelling of 1248707543 in words is "one billion, two hundred forty-eight million, seven hundred seven thousand, five hundred forty-three".