356121042 has 16 divisors (see below), whose sum is σ = 712500192. Its totient is φ = 118664000.

The previous prime is 356121001. The next prime is 356121097. The reversal of 356121042 is 240121653.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10378 + ... + 28634.

It is an arithmetic number, because the mean of its divisors is an integer number (44531262).

Almost surely, 2^356121042 is an apocalyptic number.

356121042 is an abundant number, since it is smaller than the sum of its proper divisors (356379150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

356121042 is a wasteful number, since it uses less digits than its factorization.

356121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21513.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 356121042 is about 18871.1695980933. The cubic root of 356121042 is about 708.8144215741.

Adding to 356121042 its reverse (240121653), we get a palindrome (596242695).

The spelling of 356121042 in words is "three hundred fifty-six million, one hundred twenty-one thousand, forty-two".