121045440036 has 48 divisors (see below), whose sum is σ = 290295169920. Its totient is φ = 39241086720.

The previous prime is 121045440013. The next prime is 121045440059. The reversal of 121045440036 is 630044540121.

It is an interprime number because it is at equal distance from previous prime (121045440013) and next prime (121045440059).

It is a junction number, because it is equal to n+sod(n) for n = 121045439985 and 121045440012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863856 + ... + 994151.

It is an arithmetic number, because the mean of its divisors is an integer number (6047816040).

Almost surely, 2^121045440036 is an apocalyptic number.

It is an amenable number.

121045440036 is an abundant number, since it is smaller than the sum of its proper divisors (169249729884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121045440036 is a wasteful number, since it uses less digits than its factorization.

121045440036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858164 (or 1858162 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 121045440036 its reverse (630044540121), we get a palindrome (751089980157).

The spelling of 121045440036 in words is "one hundred twenty-one billion, forty-five million, four hundred forty thousand, thirty-six".