121231024 has 20 divisors (see below), whose sum is σ = 235079944. Its totient is φ = 60565248.

The previous prime is 121231021. The next prime is 121231031. The reversal of 121231024 is 420132121.

It is a super-2 number, since 2×121231024² = 29393922360177152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121230989 and 121231007.

It is not an unprimeable number, because it can be changed into a prime (121231021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23704 + ... + 28360.

Almost surely, 2^121231024 is an apocalyptic number.

It is an amenable number.

121231024 is a deficient number, since it is larger than the sum of its proper divisors (113848920).

121231024 is a wasteful number, since it uses less digits than its factorization.

121231024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292 (or 6286 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121231024 is about 11010.4960832834. The cubic root of 121231024 is about 494.9233279199.

Adding to 121231024 its reverse (420132121), we get a palindrome (541363145).

The spelling of 121231024 in words is "one hundred twenty-one million, two hundred thirty-one thousand, twenty-four".