126020445 has 16 divisors (see below), whose sum is σ = 212245440. Its totient is φ = 63673344.

The previous prime is 126020441. The next prime is 126020467. The reversal of 126020445 is 544020621.

It is not a de Polignac number, because 126020445 - 2² = 126020441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126020441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220804 + ... + 221373.

It is an arithmetic number, because the mean of its divisors is an integer number (13265340).

Almost surely, 2^126020445 is an apocalyptic number.

126020445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126020445 is a deficient number, since it is larger than the sum of its proper divisors (86224995).

126020445 is a wasteful number, since it uses less digits than its factorization.

126020445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442204.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 126020445 is about 11225.8828160640. The cubic root of 126020445 is about 501.3569076057.

The spelling of 126020445 in words is "one hundred twenty-six million, twenty thousand, four hundred forty-five".