120125775 has 144 divisors (see below), whose sum is σ = 261761024. Its totient is φ = 47520000.

The previous prime is 120125773. The next prime is 120125783. The reversal of 120125775 is 577521021.

120125775 = T₁₉₅₄ + T₁₉₅₅ + ... + T₂₀₁₄.

It is not a de Polignac number, because 120125775 - 2¹ = 120125773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120125773) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1969245 + ... + 1969305.

Almost surely, 2^120125775 is an apocalyptic number.

120125775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120125775 is an abundant number, since it is smaller than the sum of its proper divisors (141635249).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120125775 is a wasteful number, since it uses less digits than its factorization.

120125775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 120125775 is about 10960.1904636735. The cubic root of 120125775 is about 493.4146812632.

Adding to 120125775 its reverse (577521021), we get a palindrome (697646796).

The spelling of 120125775 in words is "one hundred twenty million, one hundred twenty-five thousand, seven hundred seventy-five".