1071657113 has 4 divisors (see below), whose sum is σ = 1073019600. Its totient is φ = 1070294628.

The previous prime is 1071657071. The next prime is 1071657127. The reversal of 1071657113 is 3117561701.

1071657113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1071657113 - 2¹² = 1071653017 is a prime.

It is a super-2 number, since 2×1071657113² = 2296897935686989538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071657113.

It is not an unprimeable number, because it can be changed into a prime (1071657413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680063 + ... + 681636.

It is an arithmetic number, because the mean of its divisors is an integer number (268254900).

Almost surely, 2^1071657113 is an apocalyptic number.

It is an amenable number.

1071657113 is a deficient number, since it is larger than the sum of its proper divisors (1362487).

1071657113 is an equidigital number, since it uses as much as digits as its factorization.

1071657113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362486.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 1071657113 is about 32736.1743794231. The cubic root of 1071657113 is about 1023.3368588640.

The spelling of 1071657113 in words is "one billion, seventy-one million, six hundred fifty-seven thousand, one hundred thirteen".