126277825 has 6 divisors (see below), whose sum is σ = 156584534. Its totient is φ = 101022240.

The previous prime is 126277813. The next prime is 126277829. The reversal of 126277825 is 528772621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12194064 + 114083761 = 3492^2 + 10681^2 .

It is not a de Polignac number, because 126277825 - 2¹⁵ = 126245057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126277829) 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 in 5 ways as a sum of consecutive naturals, for example, 2525532 + ... + 2525581.

Almost surely, 2^126277825 is an apocalyptic number.

It is an amenable number.

126277825 is a deficient number, since it is larger than the sum of its proper divisors (30306709).

126277825 is an equidigital number, since it uses as much as digits as its factorization.

126277825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051123 (or 5051118 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 126277825 is about 11237.3406551550. The cubic root of 126277825 is about 501.6979937735.

The spelling of 126277825 in words is "one hundred twenty-six million, two hundred seventy-seven thousand, eight hundred twenty-five".