125404277 has 2 divisors, whose sum is σ = 125404278. Its totient is φ = 125404276.

The previous prime is 125404241. The next prime is 125404333. The reversal of 125404277 is 772404521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87347716 + 38056561 = 9346^2 + 6169^2 .

It is a cyclic number.

It is not a de Polignac number, because 125404277 - 2²⁴ = 108627061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125404217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62702138 + 62702139.

It is an arithmetic number, because the mean of its divisors is an integer number (62702139).

Almost surely, 2^125404277 is an apocalyptic number.

It is an amenable number.

125404277 is a deficient number, since it is larger than the sum of its proper divisors (1).

125404277 is an equidigital number, since it uses as much as digits as its factorization.

125404277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 125404277 is about 11198.4051096574. The cubic root of 125404277 is about 500.5384559223.

Adding to 125404277 its reverse (772404521), we get a palindrome (897808798).

The spelling of 125404277 in words is "one hundred twenty-five million, four hundred four thousand, two hundred seventy-seven".