1108872461 has 4 divisors (see below), whose sum is σ = 1109949024. Its totient is φ = 1107795900.

The previous prime is 1108872439. The next prime is 1108872463. The reversal of 1108872461 is 1642788011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1108872461 - 2¹⁰ = 1108871437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108872463) 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, 536735 + ... + 538796.

It is an arithmetic number, because the mean of its divisors is an integer number (277487256).

Almost surely, 2^1108872461 is an apocalyptic number.

It is an amenable number.

1108872461 is a deficient number, since it is larger than the sum of its proper divisors (1076563).

1108872461 is a wasteful number, since it uses less digits than its factorization.

1108872461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076562.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1108872461 is about 33299.7366506103. The cubic root of 1108872461 is about 1035.0481003263.

The spelling of 1108872461 in words is "one billion, one hundred eight million, eight hundred seventy-two thousand, four hundred sixty-one".