126802849 has 2 divisors, whose sum is σ = 126802850. Its totient is φ = 126802848.

The previous prime is 126802831. The next prime is 126802883. The reversal of 126802849 is 948208621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 57380625 = 8332^2 + 7575^2 .

It is a cyclic number.

It is not a de Polignac number, because 126802849 - 2⁵ = 126802817 is a prime.

It is not a weakly prime, because it can be changed into another prime (126802549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63401424 + 63401425.

It is an arithmetic number, because the mean of its divisors is an integer number (63401425).

Almost surely, 2^126802849 is an apocalyptic number.

It is an amenable number.

126802849 is a deficient number, since it is larger than the sum of its proper divisors (1).

126802849 is an equidigital number, since it uses as much as digits as its factorization.

126802849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 126802849 is about 11260.6771110800. The cubic root of 126802849 is about 502.3923338879.

The spelling of 126802849 in words is "one hundred twenty-six million, eight hundred two thousand, eight hundred forty-nine".