120974545 has 4 divisors (see below), whose sum is σ = 145169460. Its totient is φ = 96779632.

The previous prime is 120974537. The next prime is 120974551. The reversal of 120974545 is 545479021.

120974545 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55413136 + 65561409 = 7444^2 + 8097^2 .

It is a cyclic number.

It is not a de Polignac number, because 120974545 - 2³ = 120974537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12097450 + ... + 12097459.

It is an arithmetic number, because the mean of its divisors is an integer number (36292365).

Almost surely, 2^120974545 is an apocalyptic number.

It is an amenable number.

120974545 is a deficient number, since it is larger than the sum of its proper divisors (24194915).

120974545 is an equidigital number, since it uses as much as digits as its factorization.

120974545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24194914.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 120974545 is about 10998.8428936866. The cubic root of 120974545 is about 494.5740579652.

It can be divided in two parts, 1209745 and 45, that added together give a triangular number (1209790 = T₁₅₅₅).

The spelling of 120974545 in words is "one hundred twenty million, nine hundred seventy-four thousand, five hundred forty-five".