126750090 has 16 divisors (see below), whose sum is σ = 304200288. Its totient is φ = 33800016.

The previous prime is 126750077. The next prime is 126750101. The reversal of 126750090 is 90057621.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4225003 = 126750090 / (1 + 2 + 6 + 7 + 5 + 0 + 0 + 9 + 0).

It is an unprimeable number.

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, 2112472 + ... + 2112531.

It is an arithmetic number, because the mean of its divisors is an integer number (19012518).

Almost surely, 2^126750090 is an apocalyptic number.

126750090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126750090 is an abundant number, since it is smaller than the sum of its proper divisors (177450198).

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

126750090 is a wasteful number, since it uses less digits than its factorization.

126750090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225013.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 126750090 is about 11258.3342462373. The cubic root of 126750090 is about 502.3226472463.

The spelling of 126750090 in words is "one hundred twenty-six million, seven hundred fifty thousand, ninety".