342121401 has 24 divisors (see below), whose sum is σ = 517491520. Its totient is φ = 225850032.

The previous prime is 342121361. The next prime is 342121421. The reversal of 342121401 is 104121243.

It is not a de Polignac number, because 342121401 - 2⁶ = 342121337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342121421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18195 + ... + 31863.

Almost surely, 2^342121401 is an apocalyptic number.

It is an amenable number.

342121401 is a deficient number, since it is larger than the sum of its proper divisors (175370119).

342121401 is a wasteful number, since it uses less digits than its factorization.

342121401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13787 (or 13775 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 342121401 is about 18496.5240247999. The cubic root of 342121401 is about 699.4018025508.

Adding to 342121401 its reverse (104121243), we get a palindrome (446242644).

The spelling of 342121401 in words is "three hundred forty-two million, one hundred twenty-one thousand, four hundred one".