356121097 has 2 divisors, whose sum is σ = 356121098. Its totient is φ = 356121096.

The previous prime is 356121001. The next prime is 356121107. The reversal of 356121097 is 790121653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180929401 + 175191696 = 13451^2 + 13236^2 .

It is a cyclic number.

It is not a de Polignac number, because 356121097 - 2¹⁹ = 355596809 is a prime.

It is not a weakly prime, because it can be changed into another prime (356127097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178060548 + 178060549.

It is an arithmetic number, because the mean of its divisors is an integer number (178060549).

Almost surely, 2^356121097 is an apocalyptic number.

It is an amenable number.

356121097 is a deficient number, since it is larger than the sum of its proper divisors (1).

356121097 is an equidigital number, since it uses as much as digits as its factorization.

356121097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 356121097 is about 18871.1710553426. The cubic root of 356121097 is about 708.8144580643.

The spelling of 356121097 in words is "three hundred fifty-six million, one hundred twenty-one thousand, ninety-seven".