120199245 has 32 divisors (see below), whose sum is σ = 201298944. Its totient is φ = 61171200.

The previous prime is 120199243. The next prime is 120199271. The reversal of 120199245 is 542991021.

It is not a de Polignac number, because 120199245 - 2¹ = 120199243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120199243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32175 + ... + 35715.

It is an arithmetic number, because the mean of its divisors is an integer number (6290592).

Almost surely, 2^120199245 is an apocalyptic number.

120199245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120199245 is a deficient number, since it is larger than the sum of its proper divisors (81099699).

120199245 is a wasteful number, since it uses less digits than its factorization.

120199245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 120199245 is about 10963.5416266825. The cubic root of 120199245 is about 493.5152530421.

The spelling of 120199245 in words is "one hundred twenty million, one hundred ninety-nine thousand, two hundred forty-five".