1241660201 has 8 divisors (see below), whose sum is σ = 1284887880. Its totient is φ = 1198460032.

The previous prime is 1241660191. The next prime is 1241660227. The reversal of 1241660201 is 1020661421.

It can be written as a sum of positive squares in 4 ways, for example, as 265722601 + 975937600 = 16301^2 + 31240^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1241660201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241660261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134531 + ... + 143463.

It is an arithmetic number, because the mean of its divisors is an integer number (160610985).

Almost surely, 2^1241660201 is an apocalyptic number.

It is an amenable number.

1241660201 is a deficient number, since it is larger than the sum of its proper divisors (43227679).

1241660201 is an equidigital number, since it uses as much as digits as its factorization.

1241660201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13755.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1241660201 is about 35237.1991083287. The cubic root of 1241660201 is about 1074.8163236934.

The spelling of 1241660201 in words is "one billion, two hundred forty-one million, six hundred sixty thousand, two hundred one".