1072618061 has 4 divisors (see below), whose sum is σ = 1072683612. Its totient is φ = 1072552512.

The previous prime is 1072618037. The next prime is 1072618093. The reversal of 1072618061 is 1608162701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 423948100 + 648669961 = 20590^2 + 25469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072618061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072618021) 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, 14501 + ... + 48533.

It is an arithmetic number, because the mean of its divisors is an integer number (268170903).

Almost surely, 2^1072618061 is an apocalyptic number.

It is an amenable number.

1072618061 is a deficient number, since it is larger than the sum of its proper divisors (65551).

1072618061 is an equidigital number, since it uses as much as digits as its factorization.

1072618061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65550.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1072618061 is about 32750.8482485569. The cubic root of 1072618061 is about 1023.6426406650.

The spelling of 1072618061 in words is "one billion, seventy-two million, six hundred eighteen thousand, sixty-one".