126426245 has 24 divisors (see below), whose sum is σ = 168489720. Its totient is φ = 90992000.

The previous prime is 126426233. The next prime is 126426271. The reversal of 126426245 is 542624621.

It can be written as a sum of positive squares in 4 ways, for example, as 21548164 + 104878081 = 4642^2 + 10241^2 .

It is not a de Polignac number, because 126426245 - 2⁸ = 126425989 is a prime.

It is a Curzon number.

It is a congruent number.

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, 60071 + ... + 62139.

It is an arithmetic number, because the mean of its divisors is an integer number (7020405).

Almost surely, 2^126426245 is an apocalyptic number.

It is an amenable number.

126426245 is a deficient number, since it is larger than the sum of its proper divisors (42063475).

126426245 is a wasteful number, since it uses less digits than its factorization.

126426245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2186 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 126426245 is about 11243.9425914579. The cubic root of 126426245 is about 501.8944728793.

The spelling of 126426245 in words is "one hundred twenty-six million, four hundred twenty-six thousand, two hundred forty-five".