126878942 has 8 divisors (see below), whose sum is σ = 191221032. Its totient is φ = 63138600.

The previous prime is 126878929. The next prime is 126878951. The reversal of 126878942 is 249878621.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149909 + ... + 150752.

It is an arithmetic number, because the mean of its divisors is an integer number (23902629).

Almost surely, 2^126878942 is an apocalyptic number.

126878942 is a deficient number, since it is larger than the sum of its proper divisors (64342090).

126878942 is a wasteful number, since it uses less digits than its factorization.

126878942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300874.

The product of its digits is 387072, while the sum is 47.

The square root of 126878942 is about 11264.0553088131. The cubic root of 126878942 is about 502.4928071708.

The spelling of 126878942 in words is "one hundred twenty-six million, eight hundred seventy-eight thousand, nine hundred forty-two".