120745145 has 8 divisors (see below), whose sum is σ = 145038600. Its totient is φ = 96499840.

The previous prime is 120745129. The next prime is 120745151. The reversal of 120745145 is 541547021.

It can be written as a sum of positive squares in 4 ways, for example, as 14160169 + 106584976 = 3763^2 + 10324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120745145 - 2⁴ = 120745129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6266 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (18129825).

Almost surely, 2^120745145 is an apocalyptic number.

It is an amenable number.

120745145 is a deficient number, since it is larger than the sum of its proper divisors (24293455).

120745145 is a wasteful number, since it uses less digits than its factorization.

120745145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24075.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 120745145 is about 10988.4095755482. The cubic root of 120745145 is about 494.2612453858.

The spelling of 120745145 in words is "one hundred twenty million, seven hundred forty-five thousand, one hundred forty-five".