121010144 has 12 divisors (see below), whose sum is σ = 238238784. Its totient is φ = 60505056.

The previous prime is 121010137. The next prime is 121010159. The reversal of 121010144 is 441010121.

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, 1890752 + ... + 1890815.

It is an arithmetic number, because the mean of its divisors is an integer number (19853232).

Almost surely, 2^121010144 is an apocalyptic number.

It is an amenable number.

121010144 is a deficient number, since it is larger than the sum of its proper divisors (117228640).

121010144 is an equidigital number, since it uses as much as digits as its factorization.

121010144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781577 (or 3781569 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121010144 is about 11000.4610812456. The cubic root of 121010144 is about 494.6225657323.

Adding to 121010144 its reverse (441010121), we get a palindrome (562020265).

The spelling of 121010144 in words is "one hundred twenty-one million, ten thousand, one hundred forty-four".