1153420847 has 2 divisors, whose sum is σ = 1153420848. Its totient is φ = 1153420846.

The previous prime is 1153420841. The next prime is 1153420901. The reversal of 1153420847 is 7480243511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153420847 - 2⁴ = 1153420831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153420841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576710423 + 576710424.

It is an arithmetic number, because the mean of its divisors is an integer number (576710424).

Almost surely, 2^1153420847 is an apocalyptic number.

1153420847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153420847 is an equidigital number, since it uses as much as digits as its factorization.

1153420847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1153420847 is about 33962.0501000749. The cubic root of 1153420847 is about 1048.7273612370.

The spelling of 1153420847 in words is "one billion, one hundred fifty-three million, four hundred twenty thousand, eight hundred forty-seven".