120534522451 has 16 divisors (see below), whose sum is σ = 138460368384. Its totient is φ = 102786076224.

The previous prime is 120534522443. The next prime is 120534522461. The reversal of 120534522451 is 154225435021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120534522451 - 2³ = 120534522443 is a prime.

It is a super-2 number, since 2×120534522451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120534522401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964500 + ... + 2024926.

It is an arithmetic number, because the mean of its divisors is an integer number (8653773024).

Almost surely, 2^120534522451 is an apocalyptic number.

120534522451 is a deficient number, since it is larger than the sum of its proper divisors (17925845933).

120534522451 is a wasteful number, since it uses less digits than its factorization.

120534522451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61890.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 120534522451 its reverse (154225435021), we get a palindrome (274759957472).

The spelling of 120534522451 in words is "one hundred twenty billion, five hundred thirty-four million, five hundred twenty-two thousand, four hundred fifty-one".