1121450005 has 16 divisors (see below), whose sum is σ = 1460680704. Its totient is φ = 821620800.

The previous prime is 1121450003. The next prime is 1121450021. The reversal of 1121450005 is 5000541211.

It is not a de Polignac number, because 1121450005 - 2¹ = 1121450003 is a prime.

It is a super-2 number, since 2×1121450005² = 2515300227429000050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121450003) 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, 59671 + ... + 76180.

It is an arithmetic number, because the mean of its divisors is an integer number (91292544).

Almost surely, 2^1121450005 is an apocalyptic number.

It is an amenable number.

1121450005 is a deficient number, since it is larger than the sum of its proper divisors (339230699).

1121450005 is a wasteful number, since it uses less digits than its factorization.

1121450005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135996.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1121450005 is about 33488.0576474659. The cubic root of 1121450005 is about 1038.9467903435.

Adding to 1121450005 its reverse (5000541211), we get a palindrome (6121991216).

The spelling of 1121450005 in words is "one billion, one hundred twenty-one million, four hundred fifty thousand, five".