126840830 has 8 divisors (see below), whose sum is σ = 228313512. Its totient is φ = 50736328.

The previous prime is 126840829. The next prime is 126840851. The reversal of 126840830 is 38048621.

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, 6342032 + ... + 6342051.

It is an arithmetic number, because the mean of its divisors is an integer number (28539189).

Almost surely, 2^126840830 is an apocalyptic number.

126840830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126840830 is a deficient number, since it is larger than the sum of its proper divisors (101472682).

126840830 is a wasteful number, since it uses less digits than its factorization.

126840830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684090.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 126840830 is about 11262.3634286947. The cubic root of 126840830 is about 502.4424890659.

The spelling of 126840830 in words is "one hundred twenty-six million, eight hundred forty thousand, eight hundred thirty".