120853997 has 8 divisors (see below), whose sum is σ = 133809312. Its totient is φ = 108226800.

The previous prime is 120853987. The next prime is 120854017. The reversal of 120853997 is 799358021.

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

It is not a de Polignac number, because 120853997 - 2⁴ = 120853981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120853987) 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, 81254 + ... + 82727.

It is an arithmetic number, because the mean of its divisors is an integer number (16726164).

Almost surely, 2^120853997 is an apocalyptic number.

It is an amenable number.

120853997 is a deficient number, since it is larger than the sum of its proper divisors (12955315).

120853997 is a wasteful number, since it uses less digits than its factorization.

120853997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164059.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 120853997 is about 10993.3614968307. The cubic root of 120853997 is about 494.4097266238.

The spelling of 120853997 in words is "one hundred twenty million, eight hundred fifty-three thousand, nine hundred ninety-seven".