1719114121 has 4 divisors (see below), whose sum is σ = 1738430100. Its totient is φ = 1699798144.

The previous prime is 1719114077. The next prime is 1719114169. The reversal of 1719114121 is 1214119171.

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

It can be written as a sum of positive squares in 2 ways, for example, as 619263225 + 1099850896 = 24885^2 + 33164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1719114121 - 2¹³ = 1719105929 is a prime.

It is a super-2 number, since 2×1719114121² = 5910706722043205282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1719114121.

It is not an unprimeable number, because it can be changed into a prime (1719114521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9657856 + ... + 9658033.

It is an arithmetic number, because the mean of its divisors is an integer number (434607525).

Almost surely, 2^1719114121 is an apocalyptic number.

It is an amenable number.

1719114121 is a deficient number, since it is larger than the sum of its proper divisors (19315979).

1719114121 is an equidigital number, since it uses as much as digits as its factorization.

1719114121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19315978.

The product of its digits is 504, while the sum is 28.

The square root of 1719114121 is about 41462.2011113737. The cubic root of 1719114121 is about 1197.9395477033.

The spelling of 1719114121 in words is "one billion, seven hundred nineteen million, one hundred fourteen thousand, one hundred twenty-one".