1081170742 has 4 divisors (see below), whose sum is σ = 1621756116. Its totient is φ = 540585370.

The previous prime is 1081170733. The next prime is 1081170767. The reversal of 1081170742 is 2470711801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2470711801 = 4013 ⋅615677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270292684 + ... + 270292687.

It is an arithmetic number, because the mean of its divisors is an integer number (405439029).

Almost surely, 2^1081170742 is an apocalyptic number.

1081170742 is a deficient number, since it is larger than the sum of its proper divisors (540585374).

1081170742 is an equidigital number, since it uses as much as digits as its factorization.

1081170742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540585373.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1081170742 is about 32881.1608979975. The cubic root of 1081170742 is about 1026.3561638789.

The spelling of 1081170742 in words is "one billion, eighty-one million, one hundred seventy thousand, seven hundred forty-two".