342120054 has 16 divisors (see below), whose sum is σ = 686003760. Its totient is φ = 113746080.

The previous prime is 342120011. The next prime is 342120059. The reversal of 342120054 is 450021243.

It is a super-2 number, since 2×342120054² = 234092262697925832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342120054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342120059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70957 + ... + 75624.

It is an arithmetic number, because the mean of its divisors is an integer number (42875235).

Almost surely, 2^342120054 is an apocalyptic number.

342120054 is an abundant number, since it is smaller than the sum of its proper divisors (343883706).

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

342120054 is a wasteful number, since it uses less digits than its factorization.

342120054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146975.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 342120054 is about 18496.4876125171. The cubic root of 342120054 is about 699.4008846549.

Adding to 342120054 its reverse (450021243), we get a palindrome (792141297).

The spelling of 342120054 in words is "three hundred forty-two million, one hundred twenty thousand, fifty-four".