121260142 has 8 divisors (see below), whose sum is σ = 181963800. Its totient is φ = 60605544.

The previous prime is 121260121. The next prime is 121260143. The reversal of 121260142 is 241062121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121260143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5292 + ... + 16447.

It is an arithmetic number, because the mean of its divisors is an integer number (22745475).

Almost surely, 2^121260142 is an apocalyptic number.

121260142 is a deficient number, since it is larger than the sum of its proper divisors (60703658).

121260142 is a wasteful number, since it uses less digits than its factorization.

121260142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24530.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 121260142 is about 11011.8182876399. The cubic root of 121260142 is about 494.9629493065.

The spelling of 121260142 in words is "one hundred twenty-one million, two hundred sixty thousand, one hundred forty-two".