1044121401 has 16 divisors (see below), whose sum is σ = 1547347200. Its totient is φ = 695855664.

The previous prime is 1044121387. The next prime is 1044121417. The reversal of 1044121401 is 1041214401.

1044121401 is a `hidden beast` number, since 10 + 441 + 214 + 0 + 1 = 666.

It is not a de Polignac number, because 1044121401 - 2¹⁰ = 1044120377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044121471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146560 + ... + 153518.

It is an arithmetic number, because the mean of its divisors is an integer number (96709200).

Almost surely, 2^1044121401 is an apocalyptic number.

It is an amenable number.

1044121401 is a deficient number, since it is larger than the sum of its proper divisors (503225799).

1044121401 is an equidigital number, since it uses as much as digits as its factorization.

1044121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12525 (or 12519 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1044121401 is about 32312.8674215087. The cubic root of 1044121401 is about 1014.4959847290.

Adding to 1044121401 its reverse (1041214401), we get a palindrome (2085335802).

The spelling of 1044121401 in words is "one billion, forty-four million, one hundred twenty-one thousand, four hundred one".