356117121 has 8 divisors (see below), whose sum is σ = 527580960. Its totient is φ = 237411396.

The previous prime is 356117107. The next prime is 356117131. The reversal of 356117121 is 121711653.

356117121 is a `hidden beast` number, since 35 + 611 + 7 + 12 + 1 = 666.

It is not a de Polignac number, because 356117121 - 2⁹ = 356116609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 13189523 = 356117121 / (3 + 5 + 6 + 1 + 1 + 7 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (356117101) 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, 6594735 + ... + 6594788.

It is an arithmetic number, because the mean of its divisors is an integer number (65947620).

Almost surely, 2^356117121 is an apocalyptic number.

It is an amenable number.

356117121 is a deficient number, since it is larger than the sum of its proper divisors (171463839).

356117121 is a wasteful number, since it uses less digits than its factorization.

356117121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13189532 (or 13189526 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 356117121 is about 18871.0657091750. The cubic root of 356117121 is about 708.8118201444.

Adding to 356117121 its reverse (121711653), we get a palindrome (477828774).

The spelling of 356117121 in words is "three hundred fifty-six million, one hundred seventeen thousand, one hundred twenty-one".