120043245 has 16 divisors (see below), whose sum is σ = 219507840. Its totient is φ = 54876864.

The previous prime is 120043243. The next prime is 120043271. The reversal of 120043245 is 542340021.

It is not a de Polignac number, because 120043245 - 2¹ = 120043243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120043243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571530 + ... + 571739.

It is an arithmetic number, because the mean of its divisors is an integer number (13719240).

Almost surely, 2^120043245 is an apocalyptic number.

120043245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120043245 is a deficient number, since it is larger than the sum of its proper divisors (99464595).

120043245 is a wasteful number, since it uses less digits than its factorization.

120043245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143284.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 120043245 is about 10956.4248274700. The cubic root of 120043245 is about 493.3016584951.

Adding to 120043245 its reverse (542340021), we get a palindrome (662383266).

The spelling of 120043245 in words is "one hundred twenty million, forty-three thousand, two hundred forty-five".