120972943 has 64 divisors (see below), whose sum is σ = 168878080. Its totient is φ = 83980800.

The previous prime is 120972931. The next prime is 120972997. The reversal of 120972943 is 349279021.

It is a cyclic number.

It is not a de Polignac number, because 120972943 - 2⁵ = 120972911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120972913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1983133 + ... + 1983193.

It is an arithmetic number, because the mean of its divisors is an integer number (2638720).

Almost surely, 2^120972943 is an apocalyptic number.

120972943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120972943 is a deficient number, since it is larger than the sum of its proper divisors (47905137).

120972943 is a wasteful number, since it uses less digits than its factorization.

120972943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 120972943 is about 10998.7700676030. The cubic root of 120972943 is about 494.5718748306.

The spelling of 120972943 in words is "one hundred twenty million, nine hundred seventy-two thousand, nine hundred forty-three".