126056290 has 8 divisors (see below), whose sum is σ = 226901340. Its totient is φ = 50422512.

The previous prime is 126056269. The next prime is 126056291. The reversal of 126056290 is 92650621.

It can be written as a sum of positive squares in 2 ways, for example, as 125507209 + 549081 = 11203^2 + 741^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126056291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6302805 + ... + 6302824.

Almost surely, 2^126056290 is an apocalyptic number.

126056290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126056290 is a deficient number, since it is larger than the sum of its proper divisors (100845050).

126056290 is a wasteful number, since it uses less digits than its factorization.

126056290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12605636.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 126056290 is about 11227.4792362311. The cubic root of 126056290 is about 501.4044380805.

The spelling of 126056290 in words is "one hundred twenty-six million, fifty-six thousand, two hundred ninety".