711564121 has 16 divisors (see below), whose sum is σ = 761612544. Its totient is φ = 662470144.

The previous prime is 711564107. The next prime is 711564127. The reversal of 711564121 is 121465117.

It is not a de Polignac number, because 711564121 - 2¹¹ = 711562073 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 711564121.

It is not an unprimeable number, because it can be changed into a prime (711564127) 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, 746181 + ... + 747133.

It is an arithmetic number, because the mean of its divisors is an integer number (47600784).

Almost surely, 2^711564121 is an apocalyptic number.

It is an amenable number.

711564121 is a deficient number, since it is larger than the sum of its proper divisors (50048423).

711564121 is a wasteful number, since it uses less digits than its factorization.

711564121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its digits is 1680, while the sum is 28.

The square root of 711564121 is about 26675.1592497589. The cubic root of 711564121 is about 892.7667638840.

The spelling of 711564121 in words is "seven hundred eleven million, five hundred sixty-four thousand, one hundred twenty-one".