120145415 has 16 divisors (see below), whose sum is σ = 156305856. Its totient is φ = 88128000.

The previous prime is 120145393. The next prime is 120145439. The reversal of 120145415 is 514541021.

It is not a de Polignac number, because 120145415 - 2¹² = 120141319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3695 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (9769116).

Almost surely, 2^120145415 is an apocalyptic number.

120145415 is a deficient number, since it is larger than the sum of its proper divisors (36160441).

120145415 is a wasteful number, since it uses less digits than its factorization.

120145415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12410.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 120145415 is about 10961.0863968860. The cubic root of 120145415 is about 493.4415701255.

Adding to 120145415 its reverse (514541021), we get a palindrome (634686436).

The spelling of 120145415 in words is "one hundred twenty million, one hundred forty-five thousand, four hundred fifteen".