2406120261 has 4 divisors (see below), whose sum is σ = 3208160352. Its totient is φ = 1604080172.

The previous prime is 2406120259. The next prime is 2406120263. The reversal of 2406120261 is 1620216042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2406120259) and next prime (2406120263).

It is a cyclic number.

It is not a de Polignac number, because 2406120261 - 2¹ = 2406120259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406120263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401020041 + ... + 401020046.

It is an arithmetic number, because the mean of its divisors is an integer number (802040088).

Almost surely, 2^2406120261 is an apocalyptic number.

It is an amenable number.

2406120261 is a deficient number, since it is larger than the sum of its proper divisors (802040091).

2406120261 is an equidigital number, since it uses as much as digits as its factorization.

2406120261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802040090.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2406120261 is about 49052.2197357062. The cubic root of 2406120261 is about 1340.0030186685.

The spelling of 2406120261 in words is "two billion, four hundred six million, one hundred twenty thousand, two hundred sixty-one".