342551121 has 48 divisors (see below), whose sum is σ = 530893440. Its totient is φ = 195923200.

The previous prime is 342551119. The next prime is 342551129. The reversal of 342551121 is 121155243.

It is a happy number.

It is not a de Polignac number, because 342551121 - 2¹ = 342551119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342551091 and 342551100.

It is not an unprimeable number, because it can be changed into a prime (342551129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 742831 + ... + 743291.

It is an arithmetic number, because the mean of its divisors is an integer number (11060280).

Almost surely, 2^342551121 is an apocalyptic number.

It is an amenable number.

342551121 is a deficient number, since it is larger than the sum of its proper divisors (188342319).

342551121 is a wasteful number, since it uses less digits than its factorization.

342551121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 587 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 342551121 is about 18508.1366160940. The cubic root of 342551121 is about 699.6945068325.

The spelling of 342551121 in words is "three hundred forty-two million, five hundred fifty-one thousand, one hundred twenty-one".