356995121 has 48 divisors (see below), whose sum is σ = 464413824. Its totient is φ = 267750912.

The previous prime is 356995117. The next prime is 356995141. The reversal of 356995121 is 121599653.

It is a happy number.

It is not a de Polignac number, because 356995121 - 2² = 356995117 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (356995141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3336350 + ... + 3336456.

It is an arithmetic number, because the mean of its divisors is an integer number (9675288).

Almost surely, 2^356995121 is an apocalyptic number.

It is an amenable number.

356995121 is a deficient number, since it is larger than the sum of its proper divisors (107418703).

356995121 is a wasteful number, since it uses less digits than its factorization.

356995121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 207 counting only the distinct ones).

The product of its digits is 72900, while the sum is 41.

The square root of 356995121 is about 18894.3145152186. The cubic root of 356995121 is about 709.3938627625.

The spelling of 356995121 in words is "three hundred fifty-six million, nine hundred ninety-five thousand, one hundred twenty-one".