126777700 has 54 divisors (see below), whose sum is σ = 320035506. Its totient is φ = 43464960.

The previous prime is 126777697. The next prime is 126777719. The reversal of 126777700 is 7777621.

It can be written as a sum of positive squares in 3 ways, for example, as 7225344 + 119552356 = 2688^2 + 10934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126777700.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8037 + ... + 17836.

Almost surely, 2^126777700 is an apocalyptic number.

126777700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126777700 is an abundant number, since it is smaller than the sum of its proper divisors (193257806).

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

126777700 is a wasteful number, since it uses less digits than its factorization.

126777700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25901 (or 25887 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 37.

The square root of 126777700 is about 11259.5603821819. The cubic root of 126777700 is about 502.3591182825.

The spelling of 126777700 in words is "one hundred twenty-six million, seven hundred seventy-seven thousand, seven hundred".