120671545 has 16 divisors (see below), whose sum is σ = 148579200. Its totient is φ = 94034304.

The previous prime is 120671539. The next prime is 120671549. The reversal of 120671545 is 545176021.

It is a cyclic number.

It is not a de Polignac number, because 120671545 - 2⁷ = 120671417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120671549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128317 + ... + 129253.

It is an arithmetic number, because the mean of its divisors is an integer number (9286200).

Almost surely, 2^120671545 is an apocalyptic number.

It is an amenable number.

120671545 is a deficient number, since it is larger than the sum of its proper divisors (27907655).

120671545 is an equidigital number, since it uses as much as digits as its factorization.

120671545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 120671545 is about 10985.0600817656. The cubic root of 120671545 is about 494.1607996040.

The spelling of 120671545 in words is "one hundred twenty million, six hundred seventy-one thousand, five hundred forty-five".