1241210153 has 2 divisors, whose sum is σ = 1241210154. Its totient is φ = 1241210152.

The previous prime is 1241210119. The next prime is 1241210189. The reversal of 1241210153 is 3510121421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1031887129 + 209323024 = 32123^2 + 14468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241210153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241213153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620605076 + 620605077.

It is an arithmetic number, because the mean of its divisors is an integer number (620605077).

Almost surely, 2^1241210153 is an apocalyptic number.

It is an amenable number.

1241210153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241210153 is an equidigital number, since it uses as much as digits as its factorization.

1241210153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1241210153 is about 35230.8125509475. The cubic root of 1241210153 is about 1074.6864498920.

Adding to 1241210153 its reverse (3510121421), we get a palindrome (4751331574).

The spelling of 1241210153 in words is "one billion, two hundred forty-one million, two hundred ten thousand, one hundred fifty-three".