1220010149 has 2 divisors, whose sum is σ = 1220010150. Its totient is φ = 1220010148.

The previous prime is 1220010107. The next prime is 1220010157. The reversal of 1220010149 is 9410100221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1059177025 + 160833124 = 32545^2 + 12682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220010149 - 2¹⁶ = 1219944613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220010149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220010199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005074 + 610005075.

It is an arithmetic number, because the mean of its divisors is an integer number (610005075).

Almost surely, 2^1220010149 is an apocalyptic number.

It is an amenable number.

1220010149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220010149 is an equidigital number, since it uses as much as digits as its factorization.

1220010149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1220010149 is about 34928.6436753562. The cubic root of 1220010149 is about 1068.5326931211.

The spelling of 1220010149 in words is "one billion, two hundred twenty million, ten thousand, one hundred forty-nine".