126802997 has 2 divisors, whose sum is σ = 126802998. Its totient is φ = 126802996.

The previous prime is 126802981. The next prime is 126803041. The reversal of 126802997 is 799208621.

It is a happy number.

It is an a-pointer prime, because the next prime (126803041) can be obtained adding 126802997 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86974276 + 39828721 = 9326^2 + 6311^2 .

It is a cyclic number.

It is not a de Polignac number, because 126802997 - 2⁴ = 126802981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126802967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63401498 + 63401499.

It is an arithmetic number, because the mean of its divisors is an integer number (63401499).

Almost surely, 2^126802997 is an apocalyptic number.

It is an amenable number.

126802997 is a deficient number, since it is larger than the sum of its proper divisors (1).

126802997 is an equidigital number, since it uses as much as digits as its factorization.

126802997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 126802997 is about 11260.6836826189. The cubic root of 126802997 is about 502.3925293462.

The spelling of 126802997 in words is "one hundred twenty-six million, eight hundred two thousand, nine hundred ninety-seven".