120550013 has 8 divisors (see below), whose sum is σ = 125345880. Its totient is φ = 115796800.

The previous prime is 120549983. The next prime is 120550049. The reversal of 120550013 is 310055021.

It can be written as a sum of positive squares in 4 ways, for example, as 36699364 + 83850649 = 6058^2 + 9157^2 .

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 120550013 - 2¹⁴ = 120533629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120549973 and 120550000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120550063) 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, 4838 + ... + 16263.

It is an arithmetic number, because the mean of its divisors is an integer number (15668235).

Almost surely, 2^120550013 is an apocalyptic number.

It is an amenable number.

120550013 is a deficient number, since it is larger than the sum of its proper divisors (4795867).

120550013 is a wasteful number, since it uses less digits than its factorization.

120550013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 120550013 is about 10979.5269934547. The cubic root of 120550013 is about 493.9948490669.

The spelling of 120550013 in words is "one hundred twenty million, five hundred fifty thousand, thirteen".