126296978 has 8 divisors (see below), whose sum is σ = 200589372. Its totient is φ = 59433856.

The previous prime is 126296953. The next prime is 126296983. The reversal of 126296978 is 879692621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108513889 + 17783089 = 10417^2 + 4217^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1857275 + ... + 1857342.

Almost surely, 2^126296978 is an apocalyptic number.

126296978 is a deficient number, since it is larger than the sum of its proper divisors (74292394).

126296978 is a wasteful number, since it uses less digits than its factorization.

126296978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714636.

The product of its digits is 653184, while the sum is 50.

The square root of 126296978 is about 11238.1928262510. The cubic root of 126296978 is about 501.7233572551.

The spelling of 126296978 in words is "one hundred twenty-six million, two hundred ninety-six thousand, nine hundred seventy-eight".