7133042121 has 16 divisors (see below), whose sum is σ = 10240862400. Its totient is φ = 4399774208.

The previous prime is 7133042107. The next prime is 7133042129. The reversal of 7133042121 is 1212403317.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7133042121 - 2⁹ = 7133041609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7133042091 and 7133042100.

It is not an unprimeable number, because it can be changed into a prime (7133042129) 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, 1182276 + ... + 1188293.

It is an arithmetic number, because the mean of its divisors is an integer number (640053900).

Almost surely, 2^7133042121 is an apocalyptic number.

It is an amenable number.

7133042121 is a deficient number, since it is larger than the sum of its proper divisors (3107820279).

7133042121 is a wasteful number, since it uses less digits than its factorization.

7133042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370648.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7133042121 is about 84457.3390594328. The cubic root of 7133042121 is about 1924.9742726420.

Adding to 7133042121 its reverse (1212403317), we get a palindrome (8345445438).

The spelling of 7133042121 in words is "seven billion, one hundred thirty-three million, forty-two thousand, one hundred twenty-one".