1061001061 has 8 divisors (see below), whose sum is σ = 1072624248. Its totient is φ = 1049400000.

The previous prime is 1061001041. The next prime is 1061001107. The reversal of 1061001061 is 1601001601.

It can be written as a sum of positive squares in 4 ways, for example, as 805992100 + 255008961 = 28390^2 + 15969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061001061 is a prime.

It is a super-2 number, since 2×1061001061² = 2251446502886251442, 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 (1061001041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102211 + ... + 112111.

It is an arithmetic number, because the mean of its divisors is an integer number (134078031).

Almost surely, 2^1061001061 is an apocalyptic number.

It is an amenable number.

1061001061 is a deficient number, since it is larger than the sum of its proper divisors (11623187).

1061001061 is a wasteful number, since it uses less digits than its factorization.

1061001061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1061001061 is about 32573.0112362981. The cubic root of 1061001061 is about 1019.9336945877.

Adding to 1061001061 its reverse (1601001601), we get a palindrome (2662002662).

It can be divided in two parts, 106100 and 1061, that multiplied together give a square (112572100 = 10610²).

The spelling of 1061001061 in words is "one billion, sixty-one million, one thousand, sixty-one".