126893906 has 8 divisors (see below), whose sum is σ = 191337984. Its totient is φ = 63114580.

The previous prime is 126893891. The next prime is 126893911. The reversal of 126893906 is 609398621.

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

It is a super-2 number, since 2×126893906² = 32204126759873672, which contains 22 as substring.

It is a Curzon 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, 165710 + ... + 166473.

It is an arithmetic number, because the mean of its divisors is an integer number (23917248).

Almost surely, 2^126893906 is an apocalyptic number.

126893906 is a deficient number, since it is larger than the sum of its proper divisors (64444078).

126893906 is a wasteful number, since it uses less digits than its factorization.

126893906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332376.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 126893906 is about 11264.7195260246. The cubic root of 126893906 is about 502.5125609262.

The spelling of 126893906 in words is "one hundred twenty-six million, eight hundred ninety-three thousand, nine hundred six".