981201067 has 8 divisors (see below), whose sum is σ = 1223315712. Its totient is φ = 764572200.

The previous prime is 981201049. The next prime is 981201073. The reversal of 981201067 is 760102189.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 981201067 - 2⁷ = 981200939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981201007) 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 in 7 ways as a sum of consecutive naturals, for example, 6371359 + ... + 6371512.

It is an arithmetic number, because the mean of its divisors is an integer number (152914464).

Almost surely, 2^981201067 is an apocalyptic number.

981201067 is a deficient number, since it is larger than the sum of its proper divisors (242114645).

981201067 is a wasteful number, since it uses less digits than its factorization.

981201067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742889.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 981201067 is about 31324.1291499061. The cubic root of 981201067 is about 993.6940070399.

The spelling of 981201067 in words is "nine hundred eighty-one million, two hundred one thousand, sixty-seven".