120269817225 has 48 divisors (see below), whose sum is σ = 220981858240. Its totient is φ = 64131782400.

The previous prime is 120269817223. The next prime is 120269817251. The reversal of 120269817225 is 522718962021.

It is not a de Polignac number, because 120269817225 - 2¹ = 120269817223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120269817223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4425930 + ... + 4453020.

Almost surely, 2^120269817225 is an apocalyptic number.

120269817225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120269817225 is a deficient number, since it is larger than the sum of its proper divisors (100712041015).

120269817225 is a wasteful number, since it uses less digits than its factorization.

120269817225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33687 (or 33676 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 120269817225 in words is "one hundred twenty billion, two hundred sixty-nine million, eight hundred seventeen thousand, two hundred twenty-five".