120727145 has 48 divisors (see below), whose sum is σ = 188455680. Its totient is φ = 72589440.

The previous prime is 120727129. The next prime is 120727147. The reversal of 120727145 is 541727021.

It is not a de Polignac number, because 120727145 - 2⁴ = 120727129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (120727147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122324 + ... + 123306.

It is an arithmetic number, because the mean of its divisors is an integer number (3926160).

Almost surely, 2^120727145 is an apocalyptic number.

It is an amenable number.

120727145 is a deficient number, since it is larger than the sum of its proper divisors (67728535).

120727145 is a wasteful number, since it uses less digits than its factorization.

120727145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 120727145 is about 10987.5905001961. The cubic root of 120727145 is about 494.2366836128.

The spelling of 120727145 in words is "one hundred twenty million, seven hundred twenty-seven thousand, one hundred forty-five".