65132121 has 8 divisors (see below), whose sum is σ = 87216480. Its totient is φ = 43234592.

The previous prime is 65132101. The next prime is 65132131. The reversal of 65132121 is 12123156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65132121 - 2²² = 60937817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65132101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45891 + ... + 47288.

It is an arithmetic number, because the mean of its divisors is an integer number (10902060).

Almost surely, 2^65132121 is an apocalyptic number.

It is an amenable number.

65132121 is a deficient number, since it is larger than the sum of its proper divisors (22084359).

65132121 is a wasteful number, since it uses less digits than its factorization.

65132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93415.

The product of its digits is 360, while the sum is 21.

The square root of 65132121 is about 8070.4473853684. The cubic root of 65132121 is about 402.3448131859.

Adding to 65132121 its reverse (12123156), we get a palindrome (77255277).

The spelling of 65132121 in words is "sixty-five million, one hundred thirty-two thousand, one hundred twenty-one".