1145122204 has 12 divisors (see below), whose sum is σ = 2016729064. Its totient is φ = 568913904.

The previous prime is 1145122201. The next prime is 1145122211. The reversal of 1145122204 is 4022215411.

It is a super-2 number, since 2×1145122204² = 2622609724187635232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145122201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911094 + ... + 912349.

Almost surely, 2^1145122204 is an apocalyptic number.

It is an amenable number.

1145122204 is a deficient number, since it is larger than the sum of its proper divisors (871606860).

1145122204 is a wasteful number, since it uses less digits than its factorization.

1145122204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823604 (or 1823602 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1145122204 is about 33839.6543126551. The cubic root of 1145122204 is about 1046.2061739347.

Adding to 1145122204 its reverse (4022215411), we get a palindrome (5167337615).

The spelling of 1145122204 in words is "one billion, one hundred forty-five million, one hundred twenty-two thousand, two hundred four".