126452977 has 6 divisors (see below), whose sum is σ = 147098418. Its totient is φ = 108388224.

The previous prime is 126452957. The next prime is 126453001. The reversal of 126452977 is 779254621.

It can be written as a sum of positive squares in only one way, i.e., 84345856 + 42107121 = 9184^2 + 6489^2 .

It is not a de Polignac number, because 126452977 - 2⁷ = 126452849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126452927) 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, 1290288 + ... + 1290385.

It is an arithmetic number, because the mean of its divisors is an integer number (24516403).

Almost surely, 2^126452977 is an apocalyptic number.

It is an amenable number.

126452977 is a deficient number, since it is larger than the sum of its proper divisors (20645441).

126452977 is an equidigital number, since it uses as much as digits as its factorization.

126452977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580687 (or 2580680 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 126452977 is about 11245.1312575710. The cubic root of 126452977 is about 501.9298444841.

The spelling of 126452977 in words is "one hundred twenty-six million, four hundred fifty-two thousand, nine hundred seventy-seven".