1254748043 has 2 divisors, whose sum is σ = 1254748044. Its totient is φ = 1254748042.

The previous prime is 1254748039. The next prime is 1254748069. The reversal of 1254748043 is 3408474521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254748043 - 2² = 1254748039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1254747988 and 1254748006.

It is not a weakly prime, because it can be changed into another prime (1254748093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627374021 + 627374022.

It is an arithmetic number, because the mean of its divisors is an integer number (627374022).

Almost surely, 2^1254748043 is an apocalyptic number.

1254748043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254748043 is an equidigital number, since it uses as much as digits as its factorization.

1254748043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 1254748043 is about 35422.4228843821. The cubic root of 1254748043 is about 1078.5795348793.

The spelling of 1254748043 in words is "one billion, two hundred fifty-four million, seven hundred forty-eight thousand, forty-three".