1113730061 has 4 divisors (see below), whose sum is σ = 1179243612. Its totient is φ = 1048216512.

The previous prime is 1113730043. The next prime is 1113730091. The reversal of 1113730061 is 1600373111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1600373111 = 13469 ⋅118819.

It can be written as a sum of positive squares in 2 ways, for example, as 990297961 + 123432100 = 31469^2 + 11110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113730061 - 2¹⁰ = 1113729037 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 (1113730021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32756750 + ... + 32756783.

It is an arithmetic number, because the mean of its divisors is an integer number (294810903).

Almost surely, 2^1113730061 is an apocalyptic number.

It is an amenable number.

1113730061 is a deficient number, since it is larger than the sum of its proper divisors (65513551).

1113730061 is an equidigital number, since it uses as much as digits as its factorization.

1113730061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65513550.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1113730061 is about 33372.5944601255. The cubic root of 1113730061 is about 1036.5572987441.

The spelling of 1113730061 in words is "one billion, one hundred thirteen million, seven hundred thirty thousand, sixty-one".