121440401032 has 32 divisors (see below), whose sum is σ = 230498611200. Its totient is φ = 59975524224.

The previous prime is 121440401011. The next prime is 121440401057. The reversal of 121440401032 is 230104044121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121440400994 and 121440401012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600313 + ... + 776695.

It is an arithmetic number, because the mean of its divisors is an integer number (7203081600).

Almost surely, 2^121440401032 is an apocalyptic number.

It is an amenable number.

121440401032 is a deficient number, since it is larger than the sum of its proper divisors (109058210168).

121440401032 is a wasteful number, since it uses less digits than its factorization.

121440401032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177445 (or 177441 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121440401032 its reverse (230104044121), we get a palindrome (351544445153).

The spelling of 121440401032 in words is "one hundred twenty-one billion, four hundred forty million, four hundred one thousand, thirty-two".