121633142 has 8 divisors (see below), whose sum is σ = 186899832. Its totient is φ = 59333200.

The previous prime is 121633129. The next prime is 121633159. The reversal of 121633142 is 241336121.

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

It is a congruent number.

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, 741584 + ... + 741747.

It is an arithmetic number, because the mean of its divisors is an integer number (23362479).

Almost surely, 2^121633142 is an apocalyptic number.

121633142 is a deficient number, since it is larger than the sum of its proper divisors (65266690).

121633142 is a wasteful number, since it uses less digits than its factorization.

121633142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483374.

The product of its digits is 864, while the sum is 23.

The square root of 121633142 is about 11028.7416326615. The cubic root of 121633142 is about 495.4699370100.

Adding to 121633142 its reverse (241336121), we get a palindrome (362969263).

The spelling of 121633142 in words is "one hundred twenty-one million, six hundred thirty-three thousand, one hundred forty-two".