126968945 has 8 divisors (see below), whose sum is σ = 154509120. Its totient is φ = 100144240.

The previous prime is 126968939. The next prime is 126968951. The reversal of 126968945 is 549869621.

It is an interprime number because it is at equal distance from previous prime (126968939) and next prime (126968951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126968945 - 2⁸ = 126968689 is a prime.

It is a super-2 number, since 2×126968945² = 32242225988826050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126968893 and 126968902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178475 + ... + 179184.

It is an arithmetic number, because the mean of its divisors is an integer number (19313640).

Almost surely, 2^126968945 is an apocalyptic number.

It is an amenable number.

126968945 is a deficient number, since it is larger than the sum of its proper divisors (27540175).

126968945 is an equidigital number, since it uses as much as digits as its factorization.

126968945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357735.

The product of its digits is 933120, while the sum is 50.

The square root of 126968945 is about 11268.0497425242. The cubic root of 126968945 is about 502.6115953894.

The spelling of 126968945 in words is "one hundred twenty-six million, nine hundred sixty-eight thousand, nine hundred forty-five".