1071605701 has 4 divisors (see below), whose sum is σ = 1071690592. Its totient is φ = 1071520812.

The previous prime is 1071605699. The next prime is 1071605713. The reversal of 1071605701 is 1075061701.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1071605701 - 2¹ = 1071605699 is a prime.

It is a super-2 number, since 2×1071605701² = 2296677556831402802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071605701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071605741) 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, 19305 + ... + 50158.

It is an arithmetic number, because the mean of its divisors is an integer number (267922648).

Almost surely, 2^1071605701 is an apocalyptic number.

It is an amenable number.

1071605701 is a deficient number, since it is larger than the sum of its proper divisors (84891).

1071605701 is an equidigital number, since it uses as much as digits as its factorization.

1071605701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84890.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 1071605701 is about 32735.3891224772. The cubic root of 1071605701 is about 1023.3204939791.

The spelling of 1071605701 in words is "one billion, seventy-one million, six hundred five thousand, seven hundred one".