3120540045 has 16 divisors (see below), whose sum is σ = 5706130560. Its totient is φ = 1426532544.

The previous prime is 3120540029. The next prime is 3120540079. The reversal of 3120540045 is 5400450213.

It is not a de Polignac number, because 3120540045 - 2⁴ = 3120540029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3120539997 and 3120540024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14859610 + ... + 14859819.

It is an arithmetic number, because the mean of its divisors is an integer number (356633160).

Almost surely, 2^3120540045 is an apocalyptic number.

3120540045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3120540045 is a deficient number, since it is larger than the sum of its proper divisors (2585590515).

3120540045 is a wasteful number, since it uses less digits than its factorization.

3120540045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29719444.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 3120540045 is about 55861.7941441196. The cubic root of 3120540045 is about 1461.3130186304.

Adding to 3120540045 its reverse (5400450213), we get a palindrome (8520990258).

The spelling of 3120540045 in words is "three billion, one hundred twenty million, five hundred forty thousand, forty-five".