121146424 has 48 divisors (see below), whose sum is σ = 265734000. Its totient is φ = 51625728.

The previous prime is 121146409. The next prime is 121146439. The reversal of 121146424 is 424641121.

It is an interprime number because it is at equal distance from previous prime (121146409) and next prime (121146439).

It is a congruent number.

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, 77232 + ... + 78784.

It is an arithmetic number, because the mean of its divisors is an integer number (5536125).

Almost surely, 2^121146424 is an apocalyptic number.

121146424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121146424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132867000).

121146424 is an abundant number, since it is smaller than the sum of its proper divisors (144587576).

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

121146424 is a wasteful number, since it uses less digits than its factorization.

121146424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1761 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 121146424 is about 11006.6536240585. The cubic root of 121146424 is about 494.8081751711.

Adding to 121146424 its reverse (424641121), we get a palindrome (545787545).

The spelling of 121146424 in words is "one hundred twenty-one million, one hundred forty-six thousand, four hundred twenty-four".