246661121 has 4 divisors (see below), whose sum is σ = 281898432. Its totient is φ = 211423812.

The previous prime is 246661111. The next prime is 246661183. The reversal of 246661121 is 121166642.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121166642 = 2 ⋅60583321.

It is a cyclic number.

It is not a de Polignac number, because 246661121 - 2¹⁰ = 246660097 is a prime.

It is a super-2 number, since 2×246661121² = 121683417225953282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (246661111) 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, 17618645 + ... + 17618658.

It is an arithmetic number, because the mean of its divisors is an integer number (70474608).

It is a Proth number, since it is equal to 15055 ⋅ 2¹⁴ + 1 and 15055 < 2¹⁴.

Almost surely, 2^246661121 is an apocalyptic number.

It is an amenable number.

246661121 is a deficient number, since it is larger than the sum of its proper divisors (35237311).

246661121 is an equidigital number, since it uses as much as digits as its factorization.

246661121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35237310.

The product of its digits is 3456, while the sum is 29.

The square root of 246661121 is about 15705.4487678640. The cubic root of 246661121 is about 627.1434637507.

The spelling of 246661121 in words is "two hundred forty-six million, six hundred sixty-one thousand, one hundred twenty-one".