126628290 has 48 divisors (see below), whose sum is σ = 330378048. Its totient is φ = 33650208.

The previous prime is 126628283. The next prime is 126628301. The reversal of 126628290 is 92826621.

It is a happy number.

126628290 is a `hidden beast` number, since 1 + 2 + 6 + 628 + 29 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25339 + ... + 29921.

It is an arithmetic number, because the mean of its divisors is an integer number (6882876).

Almost surely, 2^126628290 is an apocalyptic number.

126628290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126628290 is an abundant number, since it is smaller than the sum of its proper divisors (203749758).

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

126628290 is a wasteful number, since it uses less digits than its factorization.

126628290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903 (or 4900 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 126628290 is about 11252.9236201087. The cubic root of 126628290 is about 502.1616940227.

The spelling of 126628290 in words is "one hundred twenty-six million, six hundred twenty-eight thousand, two hundred ninety".