1204285117 has 32 divisors (see below), whose sum is σ = 1556305920. Its totient is φ = 907683840.

The previous prime is 1204285109. The next prime is 1204285127. The reversal of 1204285117 is 7115824021.

It is not a de Polignac number, because 1204285117 - 2³ = 1204285109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204285127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101353 + ... + 112609.

It is an arithmetic number, because the mean of its divisors is an integer number (48634560).

Almost surely, 2^1204285117 is an apocalyptic number.

1204285117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1204285117 is a deficient number, since it is larger than the sum of its proper divisors (352020803).

1204285117 is a wasteful number, since it uses less digits than its factorization.

1204285117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11341.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1204285117 is about 34702.8113702622. The cubic root of 1204285117 is about 1063.9219599635.

The spelling of 1204285117 in words is "one billion, two hundred four million, two hundred eighty-five thousand, one hundred seventeen".