126803025 has 72 divisors (see below), whose sum is σ = 240252480. Its totient is φ = 63803520.

The previous prime is 126802997. The next prime is 126803041. The reversal of 126803025 is 520308621.

It is not a de Polignac number, because 126803025 - 2⁹ = 126802513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126803025.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 553611 + ... + 553839.

It is an arithmetic number, because the mean of its divisors is an integer number (3336840).

Almost surely, 2^126803025 is an apocalyptic number.

126803025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126803025 is a deficient number, since it is larger than the sum of its proper divisors (113449455).

126803025 is a wasteful number, since it uses less digits than its factorization.

126803025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 126803025 is about 11260.6849258826. The cubic root of 126803025 is about 502.3925663248.

The spelling of 126803025 in words is "one hundred twenty-six million, eight hundred three thousand, twenty-five".