1071767140 has 12 divisors (see below), whose sum is σ = 2250711036. Its totient is φ = 428706848.

The previous prime is 1071767119. The next prime is 1071767149. The reversal of 1071767140 is 417671701.

It can be written as a sum of positive squares in 2 ways, for example, as 299705344 + 772061796 = 17312^2 + 27786^2 .

It is a super-2 number, since 2×1071767140² = 2297369604767559200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071767096 and 1071767105.

It is not an unprimeable number, because it can be changed into a prime (1071767149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26794159 + ... + 26794198.

It is an arithmetic number, because the mean of its divisors is an integer number (187559253).

Almost surely, 2^1071767140 is an apocalyptic number.

1071767140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071767140 is an abundant number, since it is smaller than the sum of its proper divisors (1178943896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071767140 is a wasteful number, since it uses less digits than its factorization.

1071767140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53588366 (or 53588364 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 1071767140 is about 32737.8548472560. The cubic root of 1071767140 is about 1023.3718796526.

The spelling of 1071767140 in words is "one billion, seventy-one million, seven hundred sixty-seven thousand, one hundred forty".