1081340767 has 8 divisors (see below), whose sum is σ = 1165507280. Its totient is φ = 997315200.

The previous prime is 1081340693. The next prime is 1081340783. The reversal of 1081340767 is 7670431801.

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-1081340767 is a prime.

It is a super-2 number, since 2×1081340767² = 2338595708752296578, 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 (1081344767) 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, 19017 + ... + 50242.

It is an arithmetic number, because the mean of its divisors is an integer number (145688410).

Almost surely, 2^1081340767 is an apocalyptic number.

1081340767 is a deficient number, since it is larger than the sum of its proper divisors (84166513).

1081340767 is a wasteful number, since it uses less digits than its factorization.

1081340767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70473.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1081340767 is about 32883.7462433951. The cubic root of 1081340767 is about 1026.4099626772.

The spelling of 1081340767 in words is "one billion, eighty-one million, three hundred forty thousand, seven hundred sixty-seven".