120831029 has 8 divisors (see below), whose sum is σ = 137547072. Its totient is φ = 105070240.

The previous prime is 120830999. The next prime is 120831037. The reversal of 120831029 is 920138021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120831029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120830989 and 120831007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120831629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238544 + ... + 239049.

It is an arithmetic number, because the mean of its divisors is an integer number (17193384).

Almost surely, 2^120831029 is an apocalyptic number.

It is an amenable number.

120831029 is a deficient number, since it is larger than the sum of its proper divisors (16716043).

120831029 is a wasteful number, since it uses less digits than its factorization.

120831029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477627.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 120831029 is about 10992.3168167589. The cubic root of 120831029 is about 494.3784041953.

The spelling of 120831029 in words is "one hundred twenty million, eight hundred thirty-one thousand, twenty-nine".