1210124081 has 2 divisors, whose sum is σ = 1210124082. Its totient is φ = 1210124080.

The previous prime is 1210124063. The next prime is 1210124171. The reversal of 1210124081 is 1804210121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897541681 + 312582400 = 29959^2 + 17680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210124081 - 2¹⁸ = 1209861937 is a prime.

It is a super-2 number, since 2×1210124081² = 2928800582832189122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210124381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605062040 + 605062041.

It is an arithmetic number, because the mean of its divisors is an integer number (605062041).

Almost surely, 2^1210124081 is an apocalyptic number.

It is an amenable number.

1210124081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210124081 is an equidigital number, since it uses as much as digits as its factorization.

1210124081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1210124081 is about 34786.8377551050. The cubic root of 1210124081 is about 1065.6386600371.

The spelling of 1210124081 in words is "one billion, two hundred ten million, one hundred twenty-four thousand, eighty-one".