44012121 has 8 divisors (see below), whose sum is σ = 59072064. Its totient is φ = 29146800.

The previous prime is 44012107. The next prime is 44012123. The reversal of 44012121 is 12121044.

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

It is not a de Polignac number, because 44012121 - 2⁶ = 44012057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44012121.

It is not an unprimeable number, because it can be changed into a prime (44012123) 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, 48126 + ... + 49031.

It is an arithmetic number, because the mean of its divisors is an integer number (7384008).

Almost surely, 2^44012121 is an apocalyptic number.

It is an amenable number.

44012121 is a deficient number, since it is larger than the sum of its proper divisors (15059943).

44012121 is a wasteful number, since it uses less digits than its factorization.

44012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97311.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 44012121 is about 6634.1631725486. The cubic root of 44012121 is about 353.0672482473.

Adding to 44012121 its reverse (12121044), we get a palindrome (56133165).

It can be divided in two parts, 440 and 12121, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 44012121 in words is "forty-four million, twelve thousand, one hundred twenty-one".