356054121 has 6 divisors (see below), whose sum is σ = 514300410. Its totient is φ = 237369408.

The previous prime is 356054119. The next prime is 356054131. The reversal of 356054121 is 121450653.

356054121 is a `hidden beast` number, since 35 + 605 + 4 + 1 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 353026521 + 3027600 = 18789^2 + 1740^2 .

It is not a de Polignac number, because 356054121 - 2¹ = 356054119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (356054131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19780776 + ... + 19780793.

It is an arithmetic number, because the mean of its divisors is an integer number (85716735).

Almost surely, 2^356054121 is an apocalyptic number.

It is an amenable number.

356054121 is a deficient number, since it is larger than the sum of its proper divisors (158246289).

356054121 is a wasteful number, since it uses less digits than its factorization.

356054121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39561575 (or 39561572 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 356054121 is about 18869.3964132401. The cubic root of 356054121 is about 708.7700194974.

The spelling of 356054121 in words is "three hundred fifty-six million, fifty-four thousand, one hundred twenty-one".