1050405149 has 2 divisors, whose sum is σ = 1050405150. Its totient is φ = 1050405148.

The previous prime is 1050405127. The next prime is 1050405211. The reversal of 1050405149 is 9415040501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019524900 + 30880249 = 31930^2 + 5557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050405149 is a prime.

It is a super-2 number, since 2×1050405149² = 2206701954091424402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050405049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525202574 + 525202575.

It is an arithmetic number, because the mean of its divisors is an integer number (525202575).

Almost surely, 2^1050405149 is an apocalyptic number.

It is an amenable number.

1050405149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050405149 is an equidigital number, since it uses as much as digits as its factorization.

1050405149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1050405149 is about 32409.9544738958. The cubic root of 1050405149 is about 1016.5270676132.

The spelling of 1050405149 in words is "one billion, fifty million, four hundred five thousand, one hundred forty-nine".