121310024 has 32 divisors (see below), whose sum is σ = 250430400. Its totient is φ = 54630720.

The previous prime is 121309997. The next prime is 121310069. The reversal of 121310024 is 420013121.

It is a super-2 number, since 2×121310024² = 29432243845761152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121309990 and 121310008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 15915.

It is an arithmetic number, because the mean of its divisors is an integer number (7825950).

Almost surely, 2^121310024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121310024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125215200).

121310024 is an abundant number, since it is smaller than the sum of its proper divisors (129120376).

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

121310024 is a wasteful number, since it uses less digits than its factorization.

121310024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12773 (or 12769 counting only the distinct ones).

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

The square root of 121310024 is about 11014.0829849788. The cubic root of 121310024 is about 495.0308099042.

Adding to 121310024 its reverse (420013121), we get a palindrome (541323145).

The spelling of 121310024 in words is "one hundred twenty-one million, three hundred ten thousand, twenty-four".