9121151273 has 8 divisors (see below), whose sum is σ = 9823751616. Its totient is φ = 8418690000.

The previous prime is 9121151261. The next prime is 9121151317. The reversal of 9121151273 is 3721511219.

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 9121151273 - 2⁴ = 9121151257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9121151573) 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, 130628 + ... + 187898.

It is an arithmetic number, because the mean of its divisors is an integer number (1227968952).

Almost surely, 2^9121151273 is an apocalyptic number.

It is an amenable number.

9121151273 is a deficient number, since it is larger than the sum of its proper divisors (702600343).

9121151273 is a wasteful number, since it uses less digits than its factorization.

9121151273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69535.

The product of its digits is 3780, while the sum is 32.

The square root of 9121151273 is about 95504.7185902351. The cubic root of 9121151273 is about 2089.3757644447.

The spelling of 9121151273 in words is "nine billion, one hundred twenty-one million, one hundred fifty-one thousand, two hundred seventy-three".