1081940007 has 8 divisors (see below), whose sum is σ = 1442778480. Its totient is φ = 721197440.

The previous prime is 1081939967. The next prime is 1081940011. The reversal of 1081940007 is 7000491801.

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 1081940007 - 2¹⁹ = 1081415719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081840007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8719 + ... + 47327.

It is an arithmetic number, because the mean of its divisors is an integer number (180347310).

Almost surely, 2^1081940007 is an apocalyptic number.

1081940007 is a deficient number, since it is larger than the sum of its proper divisors (360838473).

1081940007 is an equidigital number, since it uses as much as digits as its factorization.

1081940007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47953.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1081940007 is about 32892.8564737087. The cubic root of 1081940007 is about 1026.5995274422.

The spelling of 1081940007 in words is "one billion, eighty-one million, nine hundred forty thousand, seven".