1712021061 has 16 divisors (see below), whose sum is σ = 2371838400. Its totient is φ = 1097123328.

The previous prime is 1712021029. The next prime is 1712021063. The reversal of 1712021061 is 1601202171.

It is a happy number.

It is not a de Polignac number, because 1712021061 - 2⁵ = 1712021029 is a prime.

It is a super-2 number, since 2×1712021061² = 5862032226615131442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712021063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23596 + ... + 63093.

It is an arithmetic number, because the mean of its divisors is an integer number (148239900).

Almost surely, 2^1712021061 is an apocalyptic number.

It is an amenable number.

1712021061 is a deficient number, since it is larger than the sum of its proper divisors (659817339).

1712021061 is a wasteful number, since it uses less digits than its factorization.

1712021061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86948.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1712021061 is about 41376.5762358366. The cubic root of 1712021061 is about 1196.2897114837.

The spelling of 1712021061 in words is "one billion, seven hundred twelve million, twenty-one thousand, sixty-one".