112002661 has 2 divisors, whose sum is σ = 112002662. Its totient is φ = 112002660.

The previous prime is 112002643. The next prime is 112002691. The reversal of 112002661 is 166200211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98386561 + 13616100 = 9919^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 112002661 - 2⁵ = 112002629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112002641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56001330 + 56001331.

It is an arithmetic number, because the mean of its divisors is an integer number (56001331).

Almost surely, 2^112002661 is an apocalyptic number.

It is an amenable number.

112002661 is a deficient number, since it is larger than the sum of its proper divisors (1).

112002661 is an equidigital number, since it uses as much as digits as its factorization.

112002661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 112002661 is about 10583.1309639445. The cubic root of 112002661 is about 482.0322702980.

Adding to 112002661 its reverse (166200211), we get a palindrome (278202872).

It can be divided in two parts, 11200 and 2661, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 112002661 in words is "one hundred twelve million, two thousand, six hundred sixty-one".