120115245 has 32 divisors (see below), whose sum is σ = 209289600. Its totient is φ = 58593024.

The previous prime is 120115243. The next prime is 120115253. The reversal of 120115245 is 542511021.

It is not a de Polignac number, because 120115245 - 2¹ = 120115243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120115241) 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, 999 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (6540300).

Almost surely, 2^120115245 is an apocalyptic number.

120115245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120115245 is a deficient number, since it is larger than the sum of its proper divisors (89174355).

120115245 is a wasteful number, since it uses less digits than its factorization.

120115245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14589.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 120115245 is about 10959.7100782822. The cubic root of 120115245 is about 493.4002635736.

Adding to 120115245 its reverse (542511021), we get a palindrome (662626266).

The spelling of 120115245 in words is "one hundred twenty million, one hundred fifteen thousand, two hundred forty-five".