120554531 has 16 divisors (see below), whose sum is σ = 129664800. Its totient is φ = 111687168.

The previous prime is 120554519. The next prime is 120554543. The reversal of 120554531 is 135455021.

It is an interprime number because it is at equal distance from previous prime (120554519) and next prime (120554543).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120554531 is a prime.

It is a super-2 number, since 2×120554531² = 29066789889259922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120554531.

It is not an unprimeable number, because it can be changed into a prime (120554501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526325 + ... + 526553.

It is an arithmetic number, because the mean of its divisors is an integer number (8104050).

Almost surely, 2^120554531 is an apocalyptic number.

120554531 is a deficient number, since it is larger than the sum of its proper divisors (9110269).

120554531 is a wasteful number, since it uses less digits than its factorization.

120554531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 120554531 is about 10979.7327380952. The cubic root of 120554531 is about 494.0010203392.

The spelling of 120554531 in words is "one hundred twenty million, five hundred fifty-four thousand, five hundred thirty-one".