2120611967 has 8 divisors (see below), whose sum is σ = 2153062560. Its totient is φ = 2088253440.

The previous prime is 2120611957. The next prime is 2120612027. The reversal of 2120611967 is 7691160212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120611967 - 2⁸ = 2120611711 is a prime.

It is a super-2 number, since 2×2120611967² = 8993990229167218178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120611957) 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, 24134 + ... + 69452.

It is an arithmetic number, because the mean of its divisors is an integer number (269132820).

Almost surely, 2^2120611967 is an apocalyptic number.

2120611967 is a deficient number, since it is larger than the sum of its proper divisors (32450593).

2120611967 is an equidigital number, since it uses as much as digits as its factorization.

2120611967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46033.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 2120611967 is about 46050.1027903304. The cubic root of 2120611967 is about 1284.7552546542.

The spelling of 2120611967 in words is "two billion, one hundred twenty million, six hundred eleven thousand, nine hundred sixty-seven".