1210420241 has 12 divisors (see below), whose sum is σ = 1308984180. Its totient is φ = 1117855200.

The previous prime is 1210420193. The next prime is 1210420243. The reversal of 1210420241 is 1420240121.

It can be written as a sum of positive squares in 2 ways, for example, as 513249025 + 697171216 = 22655^2 + 26404^2 .

It is not a de Polignac number, because 1210420241 - 2⁶ = 1210420177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210420243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24110 + ... + 54791.

It is an arithmetic number, because the mean of its divisors is an integer number (109082015).

Almost surely, 2^1210420241 is an apocalyptic number.

It is an amenable number.

1210420241 is a deficient number, since it is larger than the sum of its proper divisors (98563939).

1210420241 is an equidigital number, since it uses as much as digits as its factorization.

1210420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78976 (or 78953 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1210420241 is about 34791.0942771279. The cubic root of 1210420241 is about 1065.7255860551.

Adding to 1210420241 its reverse (1420240121), we get a palindrome (2630660362).

The spelling of 1210420241 in words is "one billion, two hundred ten million, four hundred twenty thousand, two hundred forty-one".