1012233149 has 2 divisors, whose sum is σ = 1012233150. Its totient is φ = 1012233148.

The previous prime is 1012233109. The next prime is 1012233191. The reversal of 1012233149 is 9413322101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980817124 + 31416025 = 31318^2 + 5605^2 .

It is an emirp because it is prime and its reverse (9413322101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012233149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012233109) 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, 506116574 + 506116575.

It is an arithmetic number, because the mean of its divisors is an integer number (506116575).

Almost surely, 2^1012233149 is an apocalyptic number.

It is an amenable number.

1012233149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012233149 is an equidigital number, since it uses as much as digits as its factorization.

1012233149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1012233149 is about 31815.6117181487. The cubic root of 1012233149 is about 1004.0612006550.

The spelling of 1012233149 in words is "one billion, twelve million, two hundred thirty-three thousand, one hundred forty-nine".