76020121 has 4 divisors (see below), whose sum is σ = 80021200. Its totient is φ = 72019044.

The previous prime is 76020059. The next prime is 76020127. The reversal of 76020121 is 12102067.

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.

It is not a de Polignac number, because 76020121 - 2¹¹ = 76018073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 4001059 = 76020121 / (7 + 6 + 0 + 2 + 0 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76020127) 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, 2000511 + ... + 2000548.

It is an arithmetic number, because the mean of its divisors is an integer number (20005300).

Almost surely, 2^76020121 is an apocalyptic number.

It is an amenable number.

76020121 is a deficient number, since it is larger than the sum of its proper divisors (4001079).

76020121 is a wasteful number, since it uses less digits than its factorization.

76020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001078.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 76020121 is about 8718.9518292052. The cubic root of 76020121 is about 423.6197362702.

Adding to 76020121 its reverse (12102067), we get a palindrome (88122188).

The spelling of 76020121 in words is "seventy-six million, twenty thousand, one hundred twenty-one".