121041132406 has 4 divisors (see below), whose sum is σ = 181561698612. Its totient is φ = 60520566202.

The previous prime is 121041132397. The next prime is 121041132449. The reversal of 121041132406 is 604231140121.

It is a semiprime because it is the product of two primes.

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, 30260283100 + ... + 30260283103.

It is an arithmetic number, because the mean of its divisors is an integer number (45390424653).

Almost surely, 2^121041132406 is an apocalyptic number.

121041132406 is a deficient number, since it is larger than the sum of its proper divisors (60520566206).

121041132406 is an equidigital number, since it uses as much as digits as its factorization.

121041132406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60520566205.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121041132406 its reverse (604231140121), we get a palindrome (725272272527).

The spelling of 121041132406 in words is "one hundred twenty-one billion, forty-one million, one hundred thirty-two thousand, four hundred six".