126225434 has 4 divisors (see below), whose sum is σ = 189338154. Its totient is φ = 63112716.

The previous prime is 126225431. The next prime is 126225461. The reversal of 126225434 is 434522621.

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., 124389409 + 1836025 = 11153^2 + 1355^2 .

It is a super-3 number, since 3×126225434³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126225397 and 126225406.

It is not an unprimeable number, because it can be changed into a prime (126225431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31556357 + ... + 31556360.

Almost surely, 2^126225434 is an apocalyptic number.

126225434 is a deficient number, since it is larger than the sum of its proper divisors (63112720).

126225434 is an equidigital number, since it uses as much as digits as its factorization.

126225434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63112719.

The product of its digits is 11520, while the sum is 29.

The square root of 126225434 is about 11235.0093012868. The cubic root of 126225434 is about 501.6286015545.

The spelling of 126225434 in words is "one hundred twenty-six million, two hundred twenty-five thousand, four hundred thirty-four".