121002044 has 24 divisors (see below), whose sum is σ = 214384128. Its totient is φ = 59754240.

The previous prime is 121002041. The next prime is 121002047. The reversal of 121002044 is 440200121.

It is an interprime number because it is at equal distance from previous prime (121002041) and next prime (121002047).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158624 + ... + 159384.

It is an arithmetic number, because the mean of its divisors is an integer number (8932672).

Almost surely, 2^121002044 is an apocalyptic number.

It is an amenable number.

121002044 is a deficient number, since it is larger than the sum of its proper divisors (93382084).

121002044 is a wasteful number, since it uses less digits than its factorization.

121002044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 121002044 is about 11000.0929086985. The cubic root of 121002044 is about 494.6115293788.

Adding to 121002044 its reverse (440200121), we get a palindrome (561202165).

The spelling of 121002044 in words is "one hundred twenty-one million, two thousand, forty-four".