1204282913 has 8 divisors (see below), whose sum is σ = 1248868200. Its totient is φ = 1159901568.

The previous prime is 1204282883. The next prime is 1204282931. The reversal of 1204282913 is 3192824021.

It can be written as a sum of positive squares in 4 ways, for example, as 195077089 + 1009205824 = 13967^2 + 31768^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204282913 - 2⁸ = 1204282657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204282913.

It is not an unprimeable number, because it can be changed into a prime (1204282943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38906 + ... + 62627.

It is an arithmetic number, because the mean of its divisors is an integer number (156108525).

Almost surely, 2^1204282913 is an apocalyptic number.

It is an amenable number.

1204282913 is a deficient number, since it is larger than the sum of its proper divisors (44585287).

1204282913 is a wasteful number, since it uses less digits than its factorization.

1204282913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101971.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1204282913 is about 34702.7796148954. The cubic root of 1204282913 is about 1063.9213109241.

The spelling of 1204282913 in words is "one billion, two hundred four million, two hundred eighty-two thousand, nine hundred thirteen".