1081423079 has 8 divisors (see below), whose sum is σ = 1220415120. Its totient is φ = 949211200.

The previous prime is 1081423073. The next prime is 1081423099. The reversal of 1081423079 is 9703241801.

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-1081423079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081423073) 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, 1694702 + ... + 1695339.

It is an arithmetic number, because the mean of its divisors is an integer number (152551890).

Almost surely, 2^1081423079 is an apocalyptic number.

1081423079 is a deficient number, since it is larger than the sum of its proper divisors (138992041).

1081423079 is a wasteful number, since it uses less digits than its factorization.

1081423079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390081.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1081423079 is about 32884.9977801428. The cubic root of 1081423079 is about 1026.4360055663.

The spelling of 1081423079 in words is "one billion, eighty-one million, four hundred twenty-three thousand, seventy-nine".