1012404289 has 8 divisors (see below), whose sum is σ = 1090980072. Its totient is φ = 933928320.

The previous prime is 1012404269. The next prime is 1012404307. The reversal of 1012404289 is 9824042101.

It can be written as a sum of positive squares in 4 ways, for example, as 50908225 + 961496064 = 7135^2 + 31008^2 .

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

It is not a de Polignac number, because 1012404289 - 2⁵ = 1012404257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012404289.

It is not an unprimeable number, because it can be changed into a prime (1012404259) 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, 3172 + ... + 45109.

It is an arithmetic number, because the mean of its divisors is an integer number (136372509).

Almost surely, 2^1012404289 is an apocalyptic number.

It is an amenable number.

1012404289 is a deficient number, since it is larger than the sum of its proper divisors (78575783).

1012404289 is a wasteful number, since it uses less digits than its factorization.

1012404289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49907.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1012404289 is about 31818.3011645814. The cubic root of 1012404289 is about 1004.1177835844.

The spelling of 1012404289 in words is "one billion, twelve million, four hundred four thousand, two hundred eighty-nine".