126331045 has 32 divisors (see below), whose sum is σ = 162699264. Its totient is φ = 94003200.

The previous prime is 126331043. The next prime is 126331069. The reversal of 126331045 is 540133621.

It is not a de Polignac number, because 126331045 - 2¹ = 126331043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126331043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654469 + ... + 654661.

It is an arithmetic number, because the mean of its divisors is an integer number (5084352).

Almost surely, 2^126331045 is an apocalyptic number.

It is an amenable number.

126331045 is a deficient number, since it is larger than the sum of its proper divisors (36368219).

126331045 is a wasteful number, since it uses less digits than its factorization.

126331045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 126331045 is about 11239.7084036909. The cubic root of 126331045 is about 501.7684643599.

Adding to 126331045 its reverse (540133621), we get a palindrome (666464666).

The spelling of 126331045 in words is "one hundred twenty-six million, three hundred thirty-one thousand, forty-five".