126413026 has 4 divisors (see below), whose sum is σ = 189619542. Its totient is φ = 63206512.

The previous prime is 126413011. The next prime is 126413029. The reversal of 126413026 is 620314621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 950625 = 11201^2 + 975^2 .

It is not an unprimeable number, because it can be changed into a prime (126413029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31603255 + ... + 31603258.

Almost surely, 2^126413026 is an apocalyptic number.

126413026 is a deficient number, since it is larger than the sum of its proper divisors (63206516).

126413026 is an equidigital number, since it uses as much as digits as its factorization.

126413026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63206515.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 126413026 is about 11243.3547484725. The cubic root of 126413026 is about 501.8769797438.

Adding to 126413026 its reverse (620314621), we get a palindrome (746727647).

The spelling of 126413026 in words is "one hundred twenty-six million, four hundred thirteen thousand, twenty-six".