342121502 has 16 divisors (see below), whose sum is σ = 526111872. Its totient is φ = 166766040.

The previous prime is 342121457. The next prime is 342121517. The reversal of 342121502 is 205121243.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45623 + ... + 52589.

It is an arithmetic number, because the mean of its divisors is an integer number (32881992).

Almost surely, 2^342121502 is an apocalyptic number.

342121502 is a deficient number, since it is larger than the sum of its proper divisors (183990370).

342121502 is a wasteful number, since it uses less digits than its factorization.

342121502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 342121502 is about 18496.5267550424. The cubic root of 342121502 is about 699.4018713758.

Adding to 342121502 its reverse (205121243), we get a palindrome (547242745).

The spelling of 342121502 in words is "three hundred forty-two million, one hundred twenty-one thousand, five hundred two".