1210121063 has 2 divisors, whose sum is σ = 1210121064. Its totient is φ = 1210121062.

The previous prime is 1210121051. The next prime is 1210121113. The reversal of 1210121063 is 3601210121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210121063 - 2⁶ = 1210120999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210121663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605060531 + 605060532.

It is an arithmetic number, because the mean of its divisors is an integer number (605060532).

Almost surely, 2^1210121063 is an apocalyptic number.

1210121063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210121063 is an equidigital number, since it uses as much as digits as its factorization.

1210121063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1210121063 is about 34786.7943766022. The cubic root of 1210121063 is about 1065.6377741499.

Adding to 1210121063 its reverse (3601210121), we get a palindrome (4811331184).

The spelling of 1210121063 in words is "one billion, two hundred ten million, one hundred twenty-one thousand, sixty-three".