1204236045 has 32 divisors (see below), whose sum is σ = 2152003200. Its totient is φ = 638917632.

The previous prime is 1204236043. The next prime is 1204236053. The reversal of 1204236045 is 5406324021.

1204236045 is a `hidden beast` number, since 12 + 0 + 42 + 3 + 604 + 5 = 666.

It is not a de Polignac number, because 1204236045 - 2¹ = 1204236043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204236043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2946 + ... + 49164.

It is an arithmetic number, because the mean of its divisors is an integer number (67250100).

Almost surely, 2^1204236045 is an apocalyptic number.

1204236045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204236045 is a deficient number, since it is larger than the sum of its proper divisors (947767155).

1204236045 is a wasteful number, since it uses less digits than its factorization.

1204236045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46426 (or 46420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1204236045 is about 34702.1043310056. The cubic root of 1204236045 is about 1063.9075089317.

The spelling of 1204236045 in words is "one billion, two hundred four million, two hundred thirty-six thousand, forty-five".