126119969 has 2 divisors, whose sum is σ = 126119970. Its totient is φ = 126119968.

The previous prime is 126119951. The next prime is 126120023. The reversal of 126119969 is 969911621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 6436369 = 10940^2 + 2537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126119969 is a prime.

It is a super-2 number, since 2×126119969² = 31812493161121922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126119909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63059984 + 63059985.

It is an arithmetic number, because the mean of its divisors is an integer number (63059985).

Almost surely, 2^126119969 is an apocalyptic number.

It is an amenable number.

126119969 is a deficient number, since it is larger than the sum of its proper divisors (1).

126119969 is an equidigital number, since it uses as much as digits as its factorization.

126119969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 44.

The square root of 126119969 is about 11230.3147329004. The cubic root of 126119969 is about 501.4888542258.

The spelling of 126119969 in words is "one hundred twenty-six million, one hundred nineteen thousand, nine hundred sixty-nine".