2120973 has 8 divisors (see below), whose sum is σ = 2925600. Its totient is φ = 1365168.
The previous prime is 2120957. The next prime is 2120977. The reversal of 2120973 is 3790212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2120973 - 24 = 2120957 is a prime.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120977) 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, 12103 + ... + 12276.
It is an arithmetic number, because the mean of its divisors is an integer number (365700).
22120973 is an apocalyptic number.
It is an amenable number.
2120973 is a deficient number, since it is larger than the sum of its proper divisors (804627).
2120973 is a wasteful number, since it uses less digits than its factorization.
2120973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24411.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 2120973 is about 1456.3560690985. The cubic root of 2120973 is about 128.4828160138.
The spelling of 2120973 in words is "two million, one hundred twenty thousand, nine hundred seventy-three".
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