125222030077 has 2 divisors, whose sum is σ = 125222030078. Its totient is φ = 125222030076.

The previous prime is 125222030027. The next prime is 125222030113. The reversal of 125222030077 is 770030222521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123857540356 + 1364489721 = 351934^2 + 36939^2 .

It is a cyclic number.

It is not a de Polignac number, because 125222030077 - 2¹⁵ = 125221997309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125222030027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62611015038 + 62611015039.

It is an arithmetic number, because the mean of its divisors is an integer number (62611015039).

Almost surely, 2^125222030077 is an apocalyptic number.

It is an amenable number.

125222030077 is a deficient number, since it is larger than the sum of its proper divisors (1).

125222030077 is an equidigital number, since it uses as much as digits as its factorization.

125222030077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

Adding to 125222030077 its reverse (770030222521), we get a palindrome (895252252598).

The spelling of 125222030077 in words is "one hundred twenty-five billion, two hundred twenty-two million, thirty thousand, seventy-seven".