122493619 has 4 divisors (see below), whose sum is σ = 129699144. Its totient is φ = 115288096.

The previous prime is 122493601. The next prime is 122493689. The reversal of 122493619 is 916394221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122493619 - 2⁵ = 122493587 is a prime.

It is a super-2 number, since 2×122493619² = 30009373391434322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122493689) 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, 3602737 + ... + 3602770.

It is an arithmetic number, because the mean of its divisors is an integer number (32424786).

Almost surely, 2^122493619 is an apocalyptic number.

122493619 is a deficient number, since it is larger than the sum of its proper divisors (7205525).

122493619 is an equidigital number, since it uses as much as digits as its factorization.

122493619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205524.

The product of its digits is 23328, while the sum is 37.

The square root of 122493619 is about 11067.6835426389. The cubic root of 122493619 is about 496.6355706750.

The spelling of 122493619 in words is "one hundred twenty-two million, four hundred ninety-three thousand, six hundred nineteen".