126802831 has 2 divisors, whose sum is σ = 126802832. Its totient is φ = 126802830.

The previous prime is 126802817. The next prime is 126802849. The reversal of 126802831 is 138208621.

126802831 is nontrivially palindromic in base 2.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126802831 - 2¹⁷ = 126671759 is a prime.

It is a super-2 number, since 2×126802831² = 32157915899229122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126802793 and 126802802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126802331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63401415 + 63401416.

It is an arithmetic number, because the mean of its divisors is an integer number (63401416).

Almost surely, 2^126802831 is an apocalyptic number.

126802831 is a deficient number, since it is larger than the sum of its proper divisors (1).

126802831 is an equidigital number, since it uses as much as digits as its factorization.

126802831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 126802831 is about 11260.6763118385. The cubic root of 126802831 is about 502.3923101159.

The spelling of 126802831 in words is "one hundred twenty-six million, eight hundred two thousand, eight hundred thirty-one".