120131019 has 20 divisors (see below), whose sum is σ = 182847456. Its totient is φ = 78573456.

The previous prime is 120130999. The next prime is 120131023. The reversal of 120131019 is 910131021.

It is not a de Polignac number, because 120131019 - 2¹⁶ = 120065483 is a prime.

It is a super-2 number, since 2×120131019² = 28862923451956722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120130992 and 120131010.

It is not an unprimeable number, because it can be changed into a prime (120131059) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9699 + ... + 18284.

Almost surely, 2^120131019 is an apocalyptic number.

120131019 is a deficient number, since it is larger than the sum of its proper divisors (62716437).

120131019 is an equidigital number, since it uses as much as digits as its factorization.

120131019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28048 (or 28039 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 120131019 is about 10960.4296904820. The cubic root of 120131019 is about 493.4218610405.

The spelling of 120131019 in words is "one hundred twenty million, one hundred thirty-one thousand, nineteen".