2120654697 has 8 divisors (see below), whose sum is σ = 3231473856. Its totient is φ = 1211802672.

The previous prime is 2120654687. The next prime is 2120654713. The reversal of 2120654697 is 7964560212.

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

It is not a de Polignac number, because 2120654697 - 2²⁴ = 2103877481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120654687) 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, 50491758 + ... + 50491799.

It is an arithmetic number, because the mean of its divisors is an integer number (403934232).

Almost surely, 2^2120654697 is an apocalyptic number.

It is an amenable number.

2120654697 is a deficient number, since it is larger than the sum of its proper divisors (1110819159).

2120654697 is a wasteful number, since it uses less digits than its factorization.

2120654697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100983567.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2120654697 is about 46050.5667391836. The cubic root of 2120654697 is about 1284.7638838021.

The spelling of 2120654697 in words is "two billion, one hundred twenty million, six hundred fifty-four thousand, six hundred ninety-seven".