1010143249 has 2 divisors, whose sum is σ = 1010143250. Its totient is φ = 1010143248.

The previous prime is 1010143241. The next prime is 1010143289. The reversal of 1010143249 is 9423410101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814702849 + 195440400 = 28543^2 + 13980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010143249 - 2³ = 1010143241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010143241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505071624 + 505071625.

It is an arithmetic number, because the mean of its divisors is an integer number (505071625).

Almost surely, 2^1010143249 is an apocalyptic number.

It is an amenable number.

1010143249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010143249 is an equidigital number, since it uses as much as digits as its factorization.

1010143249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1010143249 is about 31782.7508092047. The cubic root of 1010143249 is about 1003.3697152647.

The spelling of 1010143249 in words is "one billion, ten million, one hundred forty-three thousand, two hundred forty-nine".