120531555002 has 4 divisors (see below), whose sum is σ = 180797332506. Its totient is φ = 60265777500.

The previous prime is 120531554981. The next prime is 120531555061. The reversal of 120531555002 is 200555135021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 119978411641 + 553143361 = 346379^2 + 23519^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30132888749 + ... + 30132888752.

Almost surely, 2^120531555002 is an apocalyptic number.

120531555002 is a deficient number, since it is larger than the sum of its proper divisors (60265777504).

120531555002 is an equidigital number, since it uses as much as digits as its factorization.

120531555002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60265777503.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 120531555002 in words is "one hundred twenty billion, five hundred thirty-one million, five hundred fifty-five thousand, two".