1081374647 has 8 divisors (see below), whose sum is σ = 1137278976. Its totient is φ = 1026211032.

The previous prime is 1081374629. The next prime is 1081374667. The reversal of 1081374647 is 7464731801.

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

It is a cyclic number.

It is not a de Polignac number, because 1081374647 - 2⁶ = 1081374583 is a prime.

It is a super-2 number, since 2×1081374647² = 2338742254348749218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081374667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182183 + ... + 188024.

It is an arithmetic number, because the mean of its divisors is an integer number (142159872).

Almost surely, 2^1081374647 is an apocalyptic number.

1081374647 is a deficient number, since it is larger than the sum of its proper divisors (55904329).

1081374647 is a wasteful number, since it uses less digits than its factorization.

1081374647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370357.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 1081374647 is about 32884.2613874784. The cubic root of 1081374647 is about 1026.4206822109.

The spelling of 1081374647 in words is "one billion, eighty-one million, three hundred seventy-four thousand, six hundred forty-seven".