1061012205 has 24 divisors (see below), whose sum is σ = 2006278560. Its totient is φ = 514429920.

The previous prime is 1061012191. The next prime is 1061012209. The reversal of 1061012205 is 5022101601.

It is not a de Polignac number, because 1061012205 - 2¹³ = 1061004013 is a prime.

It is a super-2 number, since 2×1061012205² = 2251493798317924050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061012209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071235 + ... + 1072224.

It is an arithmetic number, because the mean of its divisors is an integer number (83594940).

Almost surely, 2^1061012205 is an apocalyptic number.

1061012205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061012205 is a deficient number, since it is larger than the sum of its proper divisors (945266355).

1061012205 is a wasteful number, since it uses less digits than its factorization.

1061012205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143481 (or 2143478 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1061012205 is about 32573.1822977123. The cubic root of 1061012205 is about 1019.9372654611.

Adding to 1061012205 its reverse (5022101601), we get a palindrome (6083113806).

The spelling of 1061012205 in words is "one billion, sixty-one million, twelve thousand, two hundred five".