10242661 has 16 divisors (see below), whose sum is σ = 12333888. Its totient is φ = 8380800.

The previous prime is 10242649. The next prime is 10242671. The reversal of 10242661 is 16624201.

It is a cyclic number.

It is not a de Polignac number, because 10242661 - 2⁹ = 10242149 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 (10242601) 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 15 ways as a sum of consecutive naturals, for example, 4990 + ... + 6736.

It is an arithmetic number, because the mean of its divisors is an integer number (770868).

Almost surely, 2^10242661 is an apocalyptic number.

10242661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10242661 is a deficient number, since it is larger than the sum of its proper divisors (2091227).

10242661 is a wasteful number, since it uses less digits than its factorization.

10242661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10242661 is about 3200.4157542419. The cubic root of 10242661 is about 217.1722177643.

Adding to 10242661 its reverse (16624201), we get a palindrome (26866862).

The spelling of 10242661 in words is "ten million, two hundred forty-two thousand, six hundred sixty-one".