121142300 has 18 divisors (see below), whose sum is σ = 262879008. Its totient is φ = 48456880.

The previous prime is 121142293. The next prime is 121142321. The reversal of 121142300 is 3241121.

It is a super-3 number, since 3×121142300³ (a number of 25 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605612 + ... + 605811.

Almost surely, 2^121142300 is an apocalyptic number.

121142300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121142300 is an abundant number, since it is smaller than the sum of its proper divisors (141736708).

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

121142300 is a wasteful number, since it uses less digits than its factorization.

121142300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211437 (or 1211430 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121142300 is about 11006.4662812367. The cubic root of 121142300 is about 494.8025604447.

Adding to 121142300 its reverse (3241121), we get a palindrome (124383421).

The spelling of 121142300 in words is "one hundred twenty-one million, one hundred forty-two thousand, three hundred".