1065605101 has 32 divisors (see below), whose sum is σ = 1303585920. Its totient is φ = 858470400.

The previous prime is 1065605041. The next prime is 1065605131. The reversal of 1065605101 is 1015065601.

It is a cyclic number.

It is not a de Polignac number, because 1065605101 - 2¹⁷ = 1065474029 is a prime.

It is a super-2 number, since 2×1065605101² = 2271028462554440402, 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 (1065605131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642265 + ... + 643921.

It is an arithmetic number, because the mean of its divisors is an integer number (40737060).

Almost surely, 2^1065605101 is an apocalyptic number.

1065605101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1065605101 is a deficient number, since it is larger than the sum of its proper divisors (237980819).

1065605101 is a wasteful number, since it uses less digits than its factorization.

1065605101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1065605101 is about 32643.6073527421. The cubic root of 1065605101 is about 1021.4068441086.

The spelling of 1065605101 in words is "one billion, sixty-five million, six hundred five thousand, one hundred one".