121133020 has 12 divisors (see below), whose sum is σ = 254379384. Its totient is φ = 48453200.

The previous prime is 121133017. The next prime is 121133069. The reversal of 121133020 is 20331121.

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, 3028306 + ... + 3028345.

It is an arithmetic number, because the mean of its divisors is an integer number (21198282).

Almost surely, 2^121133020 is an apocalyptic number.

121133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121133020 is an abundant number, since it is smaller than the sum of its proper divisors (133246364).

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

121133020 is a wasteful number, since it uses less digits than its factorization.

121133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056660 (or 6056658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121133020 is about 11006.0447027985. The cubic root of 121133020 is about 494.7899254828.

Adding to 121133020 its reverse (20331121), we get a palindrome (141464141).

The spelling of 121133020 in words is "one hundred twenty-one million, one hundred thirty-three thousand, twenty".