120505245 has 16 divisors (see below), whose sum is σ = 220352640. Its totient is φ = 55088064.

The previous prime is 120505223. The next prime is 120505267. The reversal of 120505245 is 542505021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120505223) and next prime (120505267).

It is not a de Polignac number, because 120505245 - 2⁵ = 120505213 is a prime.

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, 573730 + ... + 573939.

It is an arithmetic number, because the mean of its divisors is an integer number (13772040).

Almost surely, 2^120505245 is an apocalyptic number.

120505245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120505245 is a deficient number, since it is larger than the sum of its proper divisors (99847395).

120505245 is a wasteful number, since it uses less digits than its factorization.

120505245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147684.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 120505245 is about 10977.4881006540. The cubic root of 120505245 is about 493.9336907725.

The spelling of 120505245 in words is "one hundred twenty million, five hundred five thousand, two hundred forty-five".