126532280 has 32 divisors (see below), whose sum is σ = 325369440. Its totient is φ = 43382400.

The previous prime is 126532277. The next prime is 126532291. The reversal of 126532280 is 82235621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225671 + ... + 226230.

It is an arithmetic number, because the mean of its divisors is an integer number (10167795).

Almost surely, 2^126532280 is an apocalyptic number.

126532280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126532280 is an abundant number, since it is smaller than the sum of its proper divisors (198837160).

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

126532280 is a wasteful number, since it uses less digits than its factorization.

126532280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451919 (or 451915 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 126532280 is about 11248.6568087039. The cubic root of 126532280 is about 502.0347483658.

The spelling of 126532280 in words is "one hundred twenty-six million, five hundred thirty-two thousand, two hundred eighty".