126279994 has 8 divisors (see below), whose sum is σ = 190270080. Its totient is φ = 62856636.

The previous prime is 126279991. The next prime is 126280003. The reversal of 126279994 is 499972621.

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

It is not an unprimeable number, because it can be changed into a prime (126279991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141124 + ... + 142015.

It is an arithmetic number, because the mean of its divisors is an integer number (23783760).

Almost surely, 2^126279994 is an apocalyptic number.

126279994 is a deficient number, since it is larger than the sum of its proper divisors (63990086).

126279994 is a wasteful number, since it uses less digits than its factorization.

126279994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283364.

The product of its digits is 489888, while the sum is 49.

The square root of 126279994 is about 11237.4371633393. The cubic root of 126279994 is about 501.7008662142.

The spelling of 126279994 in words is "one hundred twenty-six million, two hundred seventy-nine thousand, nine hundred ninety-four".