1044121011 has 16 divisors (see below), whose sum is σ = 1480679424. Its totient is φ = 652189824.

The previous prime is 1044121009. The next prime is 1044121021. The reversal of 1044121011 is 1101214401.

It is not a de Polignac number, because 1044121011 - 2¹ = 1044121009 is a prime.

It is a super-2 number, since 2×1044121011² = 2180377371223324242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1044121021) 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, 34531 + ... + 57276.

It is an arithmetic number, because the mean of its divisors is an integer number (92542464).

Almost surely, 2^1044121011 is an apocalyptic number.

1044121011 is a deficient number, since it is larger than the sum of its proper divisors (436558413).

1044121011 is a wasteful number, since it uses less digits than its factorization.

1044121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92050.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1044121011 is about 32312.8613867605. The cubic root of 1044121011 is about 1014.4958584176.

Adding to 1044121011 its reverse (1101214401), we get a palindrome (2145335412).

The spelling of 1044121011 in words is "one billion, forty-four million, one hundred twenty-one thousand, eleven".