126955810 has 32 divisors (see below), whose sum is σ = 233373312. Its totient is φ = 49714560.

The previous prime is 126955793. The next prime is 126955811. The reversal of 126955810 is 18559621.

It is a super-2 number, since 2×126955810² = 32235555385512200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126955810.

It is not an unprimeable number, because it can be changed into a prime (126955811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115182 + ... + 116278.

It is an arithmetic number, because the mean of its divisors is an integer number (7292916).

Almost surely, 2^126955810 is an apocalyptic number.

126955810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126955810 is a deficient number, since it is larger than the sum of its proper divisors (106417502).

126955810 is a wasteful number, since it uses less digits than its factorization.

126955810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 126955810 is about 11267.4668847971. The cubic root of 126955810 is about 502.5942629859.

It can be divided in two parts, 126955 and 810, that added together give a triangular number (127765 = T₅₀₅).

The spelling of 126955810 in words is "one hundred twenty-six million, nine hundred fifty-five thousand, eight hundred ten".