120245512 has 8 divisors (see below), whose sum is σ = 225460350. Its totient is φ = 60122752.

The previous prime is 120245491. The next prime is 120245569. The reversal of 120245512 is 215542021.

It can be written as a sum of positive squares in only one way, i.e., 105144516 + 15100996 = 10254^2 + 3886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×120245512² = 28917966312284288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7515337 + ... + 7515352.

Almost surely, 2^120245512 is an apocalyptic number.

It is an amenable number.

120245512 is a deficient number, since it is larger than the sum of its proper divisors (105214838).

120245512 is a wasteful number, since it uses less digits than its factorization.

120245512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030695 (or 15030691 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 120245512 is about 10965.6514626355. The cubic root of 120245512 is about 493.5785660885.

Adding to 120245512 its reverse (215542021), we get a palindrome (335787533).

The spelling of 120245512 in words is "one hundred twenty million, two hundred forty-five thousand, five hundred twelve".