56120105 has 8 divisors (see below), whose sum is σ = 67797000. Its totient is φ = 44594176.

The previous prime is 56120101. The next prime is 56120123. The reversal of 56120105 is 50102165.

It can be written as a sum of positive squares in 4 ways, for example, as 885481 + 55234624 = 941^2 + 7432^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56120105 - 2² = 56120101 is a prime.

It is a super-2 number, since 2×56120105² = 6298932370422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56120101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36920 + ... + 38409.

It is an arithmetic number, because the mean of its divisors is an integer number (8474625).

Almost surely, 2^56120105 is an apocalyptic number.

It is an amenable number.

56120105 is a deficient number, since it is larger than the sum of its proper divisors (11676895).

56120105 is a wasteful number, since it uses less digits than its factorization.

56120105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75483.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 56120105 is about 7491.3353282309. The cubic root of 56120105 is about 382.8595562480.

The spelling of 56120105 in words is "fifty-six million, one hundred twenty thousand, one hundred five".