126784870 has 16 divisors (see below), whose sum is σ = 230234400. Its totient is φ = 50264704.

The previous prime is 126784859. The next prime is 126784871. The reversal of 126784870 is 78487621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126784871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54970 + ... + 57229.

It is an arithmetic number, because the mean of its divisors is an integer number (14389650).

Almost surely, 2^126784870 is an apocalyptic number.

126784870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126784870 is a deficient number, since it is larger than the sum of its proper divisors (103449530).

126784870 is a wasteful number, since it uses less digits than its factorization.

126784870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112319.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 126784870 is about 11259.8787737702. The cubic root of 126784870 is about 502.3685885257.

It can be divided in two parts, 126 and 784870, that added together give a square (784996 = 886²).

The spelling of 126784870 in words is "one hundred twenty-six million, seven hundred eighty-four thousand, eight hundred seventy".