1061307655 has 4 divisors (see below), whose sum is σ = 1273569192. Its totient is φ = 849046120.

The previous prime is 1061307649. The next prime is 1061307659. The reversal of 1061307655 is 5567031601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1061307655 - 2⁵ = 1061307623 is a prime.

It is a super-2 number, since 2×1061307655² = 2252747877123198050, 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 1061307655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061307659) 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, 106130761 + ... + 106130770.

It is an arithmetic number, because the mean of its divisors is an integer number (318392298).

Almost surely, 2^1061307655 is an apocalyptic number.

1061307655 is a deficient number, since it is larger than the sum of its proper divisors (212261537).

1061307655 is an equidigital number, since it uses as much as digits as its factorization.

1061307655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212261536.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 1061307655 is about 32577.7171545214. The cubic root of 1061307655 is about 1020.0319274256.

The spelling of 1061307655 in words is "one billion, sixty-one million, three hundred seven thousand, six hundred fifty-five".