120163745 has 8 divisors (see below), whose sum is σ = 155288616. Its totient is φ = 88736256.

The previous prime is 120163739. The next prime is 120163751. The reversal of 120163745 is 547361021.

It is an interprime number because it is at equal distance from previous prime (120163739) and next prime (120163751).

It can be written as a sum of positive squares in 4 ways, for example, as 5438224 + 114725521 = 2332^2 + 10711^2 .

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 120163745 - 2¹² = 120159649 is a prime.

It is a super-2 number, since 2×120163745² = 28878651224850050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924272 + ... + 924401.

It is an arithmetic number, because the mean of its divisors is an integer number (19411077).

Almost surely, 2^120163745 is an apocalyptic number.

It is an amenable number.

120163745 is a deficient number, since it is larger than the sum of its proper divisors (35124871).

120163745 is a wasteful number, since it uses less digits than its factorization.

120163745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848691.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 120163745 is about 10961.9225047434. The cubic root of 120163745 is about 493.4666628407.

It can be divided in two parts, 1201 and 63745, that added together give a palindrome (64946).

The spelling of 120163745 in words is "one hundred twenty million, one hundred sixty-three thousand, seven hundred forty-five".