120947853 has 16 divisors (see below), whose sum is σ = 175360640. Its totient is φ = 73704384.

The previous prime is 120947851. The next prime is 120947867. The reversal of 120947853 is 358749021.

It is not a de Polignac number, because 120947853 - 2¹ = 120947851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120947851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11038 + ... + 19071.

It is an arithmetic number, because the mean of its divisors is an integer number (10960040).

Almost surely, 2^120947853 is an apocalyptic number.

120947853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120947853 is a deficient number, since it is larger than the sum of its proper divisors (54412787).

120947853 is a wasteful number, since it uses less digits than its factorization.

120947853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30228.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 120947853 is about 10997.6294263809. The cubic root of 120947853 is about 494.5376807758.

The spelling of 120947853 in words is "one hundred twenty million, nine hundred forty-seven thousand, eight hundred fifty-three".