126224445 has 32 divisors (see below), whose sum is σ = 208293120. Its totient is φ = 65231360.

The previous prime is 126224387. The next prime is 126224471. The reversal of 126224445 is 544422621.

It is not a de Polignac number, because 126224445 - 2¹⁰ = 126223421 is a prime.

It is a super-2 number, since 2×126224445² = 31865221031116050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102091 + ... + 103319.

It is an arithmetic number, because the mean of its divisors is an integer number (6509160).

Almost surely, 2^126224445 is an apocalyptic number.

126224445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126224445 is a deficient number, since it is larger than the sum of its proper divisors (82068675).

126224445 is a wasteful number, since it uses less digits than its factorization.

126224445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 15360, while the sum is 30.

The square root of 126224445 is about 11234.9652869958. The cubic root of 126224445 is about 501.6272914329.

The spelling of 126224445 in words is "one hundred twenty-six million, two hundred twenty-four thousand, four hundred forty-five".