7253121001 has 8 divisors (see below), whose sum is σ = 8649684864. Its totient is φ = 5946658080.

The previous prime is 7253120969. The next prime is 7253121017. The reversal of 7253121001 is 1001213527.

It is a happy number.

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 7253121001 - 2⁵ = 7253120969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7253121091) 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, 22525060 + ... + 22525381.

It is an arithmetic number, because the mean of its divisors is an integer number (1081210608).

Almost surely, 2^7253121001 is an apocalyptic number.

It is an amenable number.

7253121001 is a deficient number, since it is larger than the sum of its proper divisors (1396563863).

7253121001 is a wasteful number, since it uses less digits than its factorization.

7253121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45050471.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 7253121001 is about 85165.2570065986. The cubic root of 7253121001 is about 1935.7160048363.

Adding to 7253121001 its reverse (1001213527), we get a palindrome (8254334528).

The spelling of 7253121001 in words is "seven billion, two hundred fifty-three million, one hundred twenty-one thousand, one".