121403032 has 8 divisors (see below), whose sum is σ = 227630700. Its totient is φ = 60701512.

The previous prime is 121403003. The next prime is 121403033. The reversal of 121403032 is 230304121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 121402997 and 121403015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121403033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7587682 + ... + 7587697.

Almost surely, 2^121403032 is an apocalyptic number.

It is an amenable number.

121403032 is a deficient number, since it is larger than the sum of its proper divisors (106227668).

121403032 is a wasteful number, since it uses less digits than its factorization.

121403032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15175385 (or 15175381 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121403032 is about 11018.3044067588. The cubic root of 121403032 is about 495.1572904218.

Adding to 121403032 its reverse (230304121), we get a palindrome (351707153).

The spelling of 121403032 in words is "one hundred twenty-one million, four hundred three thousand, thirty-two".