76121101 has 4 divisors (see below), whose sum is σ = 86995552. Its totient is φ = 65246652.

The previous prime is 76121083. The next prime is 76121113. The reversal of 76121101 is 10112167.

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: 10112167 = 13 ⋅777859.

It is a cyclic number.

It is not a de Polignac number, because 76121101 - 2⁵ = 76121069 is a prime.

It is a super-3 number, since 3×76121101³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76121501) 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, 5437215 + ... + 5437228.

It is an arithmetic number, because the mean of its divisors is an integer number (21748888).

Almost surely, 2^76121101 is an apocalyptic number.

It is an amenable number.

76121101 is a deficient number, since it is larger than the sum of its proper divisors (10874451).

76121101 is a wasteful number, since it uses less digits than its factorization.

76121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874450.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 76121101 is about 8724.7407411338. The cubic root of 76121101 is about 423.8072225726.

Adding to 76121101 its reverse (10112167), we get a palindrome (86233268).

The spelling of 76121101 in words is "seventy-six million, one hundred twenty-one thousand, one hundred one".