1201348543 has 2 divisors, whose sum is σ = 1201348544. Its totient is φ = 1201348542.

The previous prime is 1201348483. The next prime is 1201348567. The reversal of 1201348543 is 3458431021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201348543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201348583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600674271 + 600674272.

It is an arithmetic number, because the mean of its divisors is an integer number (600674272).

Almost surely, 2^1201348543 is an apocalyptic number.

1201348543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201348543 is an equidigital number, since it uses as much as digits as its factorization.

1201348543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1201348543 is about 34660.4752275557. The cubic root of 1201348543 is about 1063.0564870436.

Adding to 1201348543 its reverse (3458431021), we get a palindrome (4659779564).

The spelling of 1201348543 in words is "one billion, two hundred one million, three hundred forty-eight thousand, five hundred forty-three".