126780050 has 24 divisors (see below), whose sum is σ = 249683796. Its totient is φ = 47728640.

The previous prime is 126780023. The next prime is 126780061. The reversal of 126780050 is 50087621.

It can be written as a sum of positive squares in 6 ways, for example, as 33097009 + 93683041 = 5753^2 + 9679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126779995 and 126780022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73727 + ... + 75426.

Almost surely, 2^126780050 is an apocalyptic number.

126780050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126780050 is a deficient number, since it is larger than the sum of its proper divisors (122903746).

126780050 is a wasteful number, since it uses less digits than its factorization.

126780050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149182 (or 149177 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 126780050 is about 11259.6647374600. The cubic root of 126780050 is about 502.3622222370.

The spelling of 126780050 in words is "one hundred twenty-six million, seven hundred eighty thousand, fifty".