1210412149 has 2 divisors, whose sum is σ = 1210412150. Its totient is φ = 1210412148.

The previous prime is 1210412131. The next prime is 1210412153. The reversal of 1210412149 is 9412140121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1198405924 + 12006225 = 34618^2 + 3465^2 .

It is an emirp because it is prime and its reverse (9412140121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210412149 - 2¹⁷ = 1210281077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210412249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605206074 + 605206075.

It is an arithmetic number, because the mean of its divisors is an integer number (605206075).

Almost surely, 2^1210412149 is an apocalyptic number.

It is an amenable number.

1210412149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210412149 is an equidigital number, since it uses as much as digits as its factorization.

1210412149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1210412149 is about 34790.9779828047. The cubic root of 1210412149 is about 1065.7232111580.

The spelling of 1210412149 in words is "one billion, two hundred ten million, four hundred twelve thousand, one hundred forty-nine".