357916224121 has 3 divisors (see below), whose sum is σ = 357916822383. Its totient is φ = 357915625860.

The previous prime is 357916224053. The next prime is 357916224191. The reversal of 357916224121 is 121422619753.

The square root of 357916224121 is 598261.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7428543721 + 350487680400 = 86189^2 + 592020^2 .

It is not a de Polignac number, because 357916224121 - 2¹⁹ = 357915699833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (357916224191) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 299131 + ... + 897391.

It is an arithmetic number, because the mean of its divisors is an integer number (119305607461).

Almost surely, 2^357916224121 is an apocalyptic number.

357916224121 is the 598261-st square number.

357916224121 is the 299131-st centered octagonal number.

It is an amenable number.

357916224121 is a deficient number, since it is larger than the sum of its proper divisors (598262).

357916224121 is an frugal number, since it uses more digits than its factorization.

357916224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196522 (or 598261 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The spelling of 357916224121 in words is "three hundred fifty-seven billion, nine hundred sixteen million, two hundred twenty-four thousand, one hundred twenty-one".