1081582007 has 8 divisors (see below), whose sum is σ = 1249314192. Its totient is φ = 925417600.

The previous prime is 1081581989. The next prime is 1081582031. The reversal of 1081582007 is 7002851801.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081582007 is a prime.

It is a super-2 number, since 2×1081582007² = 2339639275732296098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081582037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2891744 + ... + 2892117.

It is an arithmetic number, because the mean of its divisors is an integer number (156164274).

Almost surely, 2^1081582007 is an apocalyptic number.

1081582007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1081582007 is a deficient number, since it is larger than the sum of its proper divisors (167732185).

1081582007 is a wasteful number, since it uses less digits than its factorization.

1081582007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783889.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 1081582007 is about 32887.4141123926. The cubic root of 1081582007 is about 1026.4862854349.

The spelling of 1081582007 in words is "one billion, eighty-one million, five hundred eighty-two thousand, seven".