120125400677 has 2 divisors, whose sum is σ = 120125400678. Its totient is φ = 120125400676.

The previous prime is 120125400653. The next prime is 120125400691. The reversal of 120125400677 is 776004521021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69207929476 + 50917471201 = 263074^2 + 225649^2 .

It is an emirp because it is prime and its reverse (776004521021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120125400677 - 2³⁰ = 119051658853 is a prime.

It is a super-2 number, since 2×120125400677² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120125420677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60062700338 + 60062700339.

It is an arithmetic number, because the mean of its divisors is an integer number (60062700339).

Almost surely, 2^120125400677 is an apocalyptic number.

It is an amenable number.

120125400677 is a deficient number, since it is larger than the sum of its proper divisors (1).

120125400677 is an equidigital number, since it uses as much as digits as its factorization.

120125400677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 120125400677 its reverse (776004521021), we get a palindrome (896129921698).

The spelling of 120125400677 in words is "one hundred twenty billion, one hundred twenty-five million, four hundred thousand, six hundred seventy-seven".