1102564061 has 4 divisors (see below), whose sum is σ = 1103202012. Its totient is φ = 1101926112.

The previous prime is 1102564051. The next prime is 1102564063. The reversal of 1102564061 is 1604652011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1604652011 = 19 ⋅84455369.

It can be written as a sum of positive squares in 2 ways, for example, as 863243161 + 239320900 = 29381^2 + 15470^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102564061 - 2⁶ = 1102563997 is a prime.

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 1102564061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102564063) 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, 316376 + ... + 319841.

It is an arithmetic number, because the mean of its divisors is an integer number (275800503).

Almost surely, 2^1102564061 is an apocalyptic number.

It is an amenable number.

1102564061 is a deficient number, since it is larger than the sum of its proper divisors (637951).

1102564061 is an equidigital number, since it uses as much as digits as its factorization.

1102564061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637950.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1102564061 is about 33204.8800780849. The cubic root of 1102564061 is about 1033.0815625137.

The spelling of 1102564061 in words is "one billion, one hundred two million, five hundred sixty-four thousand, sixty-one".