126376969 has 2 divisors, whose sum is σ = 126376970. Its totient is φ = 126376968.

The previous prime is 126376967. The next prime is 126377021. The reversal of 126376969 is 969673621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99201600 + 27175369 = 9960^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 126376969 - 2¹ = 126376967 is a prime.

It is a super-2 number, since 2×126376969² = 31942276587253922, which contains 22 as substring.

Together with 126376967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126376967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63188484 + 63188485.

It is an arithmetic number, because the mean of its divisors is an integer number (63188485).

Almost surely, 2^126376969 is an apocalyptic number.

It is an amenable number.

126376969 is a deficient number, since it is larger than the sum of its proper divisors (1).

126376969 is an equidigital number, since it uses as much as digits as its factorization.

126376969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The square root of 126376969 is about 11241.7511536237. The cubic root of 126376969 is about 501.8292581346.

The spelling of 126376969 in words is "one hundred twenty-six million, three hundred seventy-six thousand, nine hundred sixty-nine".