121444130 has 8 divisors (see below), whose sum is σ = 218599452. Its totient is φ = 48577648.

The previous prime is 121444129. The next prime is 121444171. The reversal of 121444130 is 31444121.

It can be written as a sum of positive squares in 2 ways, for example, as 114083761 + 7360369 = 10681^2 + 2713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121444130² = 29497353422913800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6072197 + ... + 6072216.

Almost surely, 2^121444130 is an apocalyptic number.

121444130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121444130 is a deficient number, since it is larger than the sum of its proper divisors (97155322).

121444130 is a wasteful number, since it uses less digits than its factorization.

121444130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12144420.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 121444130 is about 11020.1692364500. The cubic root of 121444130 is about 495.2131585444.

Adding to 121444130 its reverse (31444121), we get a palindrome (152888251).

Subtracting from 121444130 its reverse (31444121), we obtain a palindrome (90000009).

The spelling of 121444130 in words is "one hundred twenty-one million, four hundred forty-four thousand, one hundred thirty".