126771500 has 24 divisors (see below), whose sum is σ = 276870048. Its totient is φ = 50708400.

The previous prime is 126771497. The next prime is 126771503. The reversal of 126771500 is 5177621.

It is an interprime number because it is at equal distance from previous prime (126771497) and next prime (126771503).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (126771503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126272 + ... + 127271.

It is an arithmetic number, because the mean of its divisors is an integer number (11536252).

Almost surely, 2^126771500 is an apocalyptic number.

126771500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126771500 is an abundant number, since it is smaller than the sum of its proper divisors (150098548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126771500 is a wasteful number, since it uses less digits than its factorization.

126771500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253562 (or 253550 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 126771500 is about 11259.2850572317. The cubic root of 126771500 is about 502.3509289419.

The spelling of 126771500 in words is "one hundred twenty-six million, seven hundred seventy-one thousand, five hundred".