120511425 has 24 divisors (see below), whose sum is σ = 201121056. Its totient is φ = 63667840.

The previous prime is 120511411. The next prime is 120511427. The reversal of 120511425 is 524115021.

It is not a de Polignac number, because 120511425 - 2⁶ = 120511361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120511427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (8380044).

Almost surely, 2^120511425 is an apocalyptic number.

120511425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120511425 is a deficient number, since it is larger than the sum of its proper divisors (80609631).

120511425 is a wasteful number, since it uses less digits than its factorization.

120511425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15137 (or 15132 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 120511425 is about 10977.7695822057. The cubic root of 120511425 is about 493.9421342723.

Adding to 120511425 its reverse (524115021), we get a palindrome (644626446).

The spelling of 120511425 in words is "one hundred twenty million, five hundred eleven thousand, four hundred twenty-five".