354262121 has 4 divisors (see below), whose sum is σ = 356966544. Its totient is φ = 351557700.

The previous prime is 354262093. The next prime is 354262147. The reversal of 354262121 is 121262453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354262121 is a prime.

It is a super-3 number, since 3×354262121³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354262021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352015 + ... + 1352276.

It is an arithmetic number, because the mean of its divisors is an integer number (89241636).

Almost surely, 2^354262121 is an apocalyptic number.

It is an amenable number.

354262121 is a deficient number, since it is larger than the sum of its proper divisors (2704423).

354262121 is a wasteful number, since it uses less digits than its factorization.

354262121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704422.

The product of its digits is 2880, while the sum is 26.

The square root of 354262121 is about 18821.8522202253. The cubic root of 354262121 is about 707.5789527609.

The spelling of 354262121 in words is "three hundred fifty-four million, two hundred sixty-two thousand, one hundred twenty-one".