342121402 has 8 divisors (see below), whose sum is σ = 586493856. Its totient is φ = 146623452.

The previous prime is 342121361. The next prime is 342121421. The reversal of 342121402 is 204121243.

342121402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 342121402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12218608 + ... + 12218635.

It is an arithmetic number, because the mean of its divisors is an integer number (73311732).

Almost surely, 2^342121402 is an apocalyptic number.

342121402 is a deficient number, since it is larger than the sum of its proper divisors (244372454).

342121402 is a wasteful number, since it uses less digits than its factorization.

342121402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24437252.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 342121402 is about 18496.5240518320. The cubic root of 342121402 is about 699.4018032322.

Adding to 342121402 its reverse (204121243), we get a palindrome (546242645).

The spelling of 342121402 in words is "three hundred forty-two million, one hundred twenty-one thousand, four hundred two".