121220032 has 14 divisors (see below), whose sum is σ = 240546128. Its totient is φ = 60609984.

The previous prime is 121220023. The next prime is 121220041. The reversal of 121220032 is 230022121.

It is an interprime number because it is at equal distance from previous prime (121220023) and next prime (121220041).

It is a junction number, because it is equal to n+sod(n) for n = 121219994 and 121220021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946968 + ... + 947095.

Almost surely, 2^121220032 is an apocalyptic number.

It is an amenable number.

121220032 is a deficient number, since it is larger than the sum of its proper divisors (119326096).

121220032 is an equidigital number, since it uses as much as digits as its factorization.

121220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894075 (or 1894065 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 121220032 is about 11009.9969118978. The cubic root of 121220032 is about 494.9083692581.

Adding to 121220032 its reverse (230022121), we get a palindrome (351242153).

The spelling of 121220032 in words is "one hundred twenty-one million, two hundred twenty thousand, thirty-two".