1512320149 has 2 divisors, whose sum is σ = 1512320150. Its totient is φ = 1512320148.

The previous prime is 1512320111. The next prime is 1512320171. The reversal of 1512320149 is 9410232151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1393902225 + 118417924 = 37335^2 + 10882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1512320149 is a prime.

It is a super-2 number, since 2×1512320149² = 4574224466142764402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1512320749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756160074 + 756160075.

It is an arithmetic number, because the mean of its divisors is an integer number (756160075).

Almost surely, 2^1512320149 is an apocalyptic number.

It is an amenable number.

1512320149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512320149 is an equidigital number, since it uses as much as digits as its factorization.

1512320149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1512320149 is about 38888.5606444877. The cubic root of 1512320149 is about 1147.8397122806.

The spelling of 1512320149 in words is "one billion, five hundred twelve million, three hundred twenty thousand, one hundred forty-nine".