121242060 has 36 divisors (see below), whose sum is σ = 367768128. Its totient is φ = 32331168.

The previous prime is 121242049. The next prime is 121242083. The reversal of 121242060 is 60242121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×121242060² = 29399274226087200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336604 + ... + 336963.

Almost surely, 2^121242060 is an apocalyptic number.

121242060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121242060 is an abundant number, since it is smaller than the sum of its proper divisors (246526068).

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

121242060 is a wasteful number, since it uses less digits than its factorization.

121242060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673582 (or 673577 counting only the distinct ones).

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

The square root of 121242060 is about 11010.9972300423. The cubic root of 121242060 is about 494.9383455502.

Adding to 121242060 its reverse (60242121), we get a palindrome (181484181).

The spelling of 121242060 in words is "one hundred twenty-one million, two hundred forty-two thousand, sixty".