120987474321 has 12 divisors (see below), whose sum is σ = 187654042032. Its totient is φ = 69135699528.

The previous prime is 120987474277. The next prime is 120987474341. The reversal of 120987474321 is 123474789021.

It is not a de Polignac number, because 120987474321 - 2⁷ = 120987474193 is a prime.

It is a super-2 number, since 2×120987474321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120987474341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411521875 + ... + 411522168.

It is an arithmetic number, because the mean of its divisors is an integer number (15637836836).

Almost surely, 2^120987474321 is an apocalyptic number.

It is an amenable number.

120987474321 is a deficient number, since it is larger than the sum of its proper divisors (66666567711).

120987474321 is an equidigital number, since it uses as much as digits as its factorization.

120987474321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823044060 (or 823044053 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 120987474321 in words is "one hundred twenty billion, nine hundred eighty-seven million, four hundred seventy-four thousand, three hundred twenty-one".