126777325 has 24 divisors (see below), whose sum is σ = 161427168. Its totient is φ = 98729280.

The previous prime is 126777319. The next prime is 126777331. The reversal of 126777325 is 523777621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126777319) and next prime (126777331).

It is not a de Polignac number, because 126777325 - 2³ = 126777317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215682 + ... + 216268.

It is an arithmetic number, because the mean of its divisors is an integer number (6726132).

Almost surely, 2^126777325 is an apocalyptic number.

It is an amenable number.

126777325 is a deficient number, since it is larger than the sum of its proper divisors (34649843).

126777325 is a wasteful number, since it uses less digits than its factorization.

126777325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 808 counting only the distinct ones).

The product of its digits is 123480, while the sum is 40.

The square root of 126777325 is about 11259.5437296544. The cubic root of 126777325 is about 502.3586229671.

It can be divided in two parts, 12677 and 7325, that added together give a palindrome (20002).

The spelling of 126777325 in words is "one hundred twenty-six million, seven hundred seventy-seven thousand, three hundred twenty-five".