126166490 has 8 divisors (see below), whose sum is σ = 227099700. Its totient is φ = 50466592.

The previous prime is 126166433. The next prime is 126166511. The reversal of 126166490 is 94661621.

It can be written as a sum of positive squares in 2 ways, for example, as 116661601 + 9504889 = 10801^2 + 3083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126166490.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6308315 + ... + 6308334.

Almost surely, 2^126166490 is an apocalyptic number.

126166490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126166490 is a deficient number, since it is larger than the sum of its proper divisors (100933210).

126166490 is a wasteful number, since it uses less digits than its factorization.

126166490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12616656.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 126166490 is about 11232.3857661674. The cubic root of 126166490 is about 501.5505068867.

The spelling of 126166490 in words is "one hundred twenty-six million, one hundred sixty-six thousand, four hundred ninety".