351121 has 2 divisors, whose sum is σ = 351122. Its totient is φ = 351120.

The previous prime is 351097. The next prime is 351133. The reversal of 351121 is 121153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261121 + 90000 = 511^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 351121 - 2¹³ = 342929 is a prime.

It is a Chen prime.

It is equal to p₃₀₀₆₄ and since 351121 and 30064 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (351151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175560 + 175561.

It is an arithmetic number, because the mean of its divisors is an integer number (175561).

2³⁵¹¹²¹ is an apocalyptic number.

It is an amenable number.

351121 is a deficient number, since it is larger than the sum of its proper divisors (1).

351121 is an equidigital number, since it uses as much as digits as its factorization.

351121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30, while the sum is 13.

The square root of 351121 is about 592.5546388309. The cubic root of 351121 is about 70.5481454410.

Adding to 351121 its reverse (121153), we get a palindrome (472274).

It can be divided in two parts, 35 and 1121, that added together give a square (1156 = 34²).

The spelling of 351121 in words is "three hundred fifty-one thousand, one hundred twenty-one".