1201140547 has 2 divisors, whose sum is σ = 1201140548. Its totient is φ = 1201140546.

The previous prime is 1201140541. The next prime is 1201140599. The reversal of 1201140547 is 7450411021.

It is a weak prime.

It is an emirp because it is prime and its reverse (7450411021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201140547 - 2¹⁵ = 1201107779 is a prime.

It is a super-5 number, since 5×1201140547⁵ (a number of 47 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1201140541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600570273 + 600570274.

It is an arithmetic number, because the mean of its divisors is an integer number (600570274).

Almost surely, 2^1201140547 is an apocalyptic number.

1201140547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201140547 is an equidigital number, since it uses as much as digits as its factorization.

1201140547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1201140547 is about 34657.4746194814. The cubic root of 1201140547 is about 1062.9951325875.

Adding to 1201140547 its reverse (7450411021), we get a palindrome (8651551568).

The spelling of 1201140547 in words is "one billion, two hundred one million, one hundred forty thousand, five hundred forty-seven".