126023081 has 2 divisors, whose sum is σ = 126023082. Its totient is φ = 126023080.

The previous prime is 126023071. The next prime is 126023087. The reversal of 126023081 is 180320621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115885225 + 10137856 = 10765^2 + 3184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126023081 is a prime.

It is a super-2 number, since 2×126023081² = 31763633889465122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126023087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63011540 + 63011541.

It is an arithmetic number, because the mean of its divisors is an integer number (63011541).

Almost surely, 2^126023081 is an apocalyptic number.

It is an amenable number.

126023081 is a deficient number, since it is larger than the sum of its proper divisors (1).

126023081 is an equidigital number, since it uses as much as digits as its factorization.

126023081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 126023081 is about 11226.0002226973. Note that the first 3 decimals coincide. The cubic root of 126023081 is about 501.3604032491.

The spelling of 126023081 in words is "one hundred twenty-six million, twenty-three thousand, eighty-one".