2120675457 has 8 divisors (see below), whose sum is σ = 2828898976. Its totient is φ = 1413117792.

The previous prime is 2120675393. The next prime is 2120675503. The reversal of 2120675457 is 7545760212.

2120675457 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2120675457 - 2⁶ = 2120675393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120675857) 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, 158983 + ... + 171804.

It is an arithmetic number, because the mean of its divisors is an integer number (353612372).

Almost surely, 2^2120675457 is an apocalyptic number.

It is an amenable number.

2120675457 is a deficient number, since it is larger than the sum of its proper divisors (708223519).

2120675457 is a wasteful number, since it uses less digits than its factorization.

2120675457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332927.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 2120675457 is about 46050.7921430240. The cubic root of 2120675457 is about 1284.7680761570.

The spelling of 2120675457 in words is "two billion, one hundred twenty million, six hundred seventy-five thousand, four hundred fifty-seven".