120434145 has 32 divisors (see below), whose sum is σ = 208075392. Its totient is φ = 59131392.

The previous prime is 120434131. The next prime is 120434147. The reversal of 120434145 is 541434021.

It is not a de Polignac number, because 120434145 - 2⁵ = 120434113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120434147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109237 + ... + 110333.

It is an arithmetic number, because the mean of its divisors is an integer number (6502356).

Almost surely, 2^120434145 is an apocalyptic number.

120434145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120434145 is a deficient number, since it is larger than the sum of its proper divisors (87641247).

120434145 is a wasteful number, since it uses less digits than its factorization.

120434145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 120434145 is about 10974.2491770508. The cubic root of 120434145 is about 493.8365287650.

Adding to 120434145 its reverse (541434021), we get a palindrome (661868166).

The spelling of 120434145 in words is "one hundred twenty million, four hundred thirty-four thousand, one hundred forty-five".