1740705121 has 4 divisors (see below), whose sum is σ = 1832321200. Its totient is φ = 1649089044.

The previous prime is 1740705119. The next prime is 1740705137. The reversal of 1740705121 is 1215070471.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1215070471 = 2207 ⋅550553.

It is a cyclic number.

It is not a de Polignac number, because 1740705121 - 2¹ = 1740705119 is a prime.

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 1740705121.

It is not an unprimeable number, because it can be changed into a prime (1740705101) 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, 45808011 + ... + 45808048.

It is an arithmetic number, because the mean of its divisors is an integer number (458080300).

Almost surely, 2^1740705121 is an apocalyptic number.

It is an amenable number.

1740705121 is a deficient number, since it is larger than the sum of its proper divisors (91616079).

1740705121 is an equidigital number, since it uses as much as digits as its factorization.

1740705121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91616078.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1740705121 is about 41721.7583641917. The cubic root of 1740705121 is about 1202.9338216283.

Adding to 1740705121 its reverse (1215070471), we get a palindrome (2955775592).

The spelling of 1740705121 in words is "one billion, seven hundred forty million, seven hundred five thousand, one hundred twenty-one".