1015041389 has 12 divisors (see below), whose sum is σ = 1134299484. Its totient is φ = 905046912.

The previous prime is 1015041373. The next prime is 1015041397. The reversal of 1015041389 is 9831405101.

It can be written as a sum of positive squares in 2 ways, for example, as 289170025 + 725871364 = 17005^2 + 26942^2 .

It is not a de Polignac number, because 1015041389 - 2⁴ = 1015041373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015041889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76562 + ... + 88835.

It is an arithmetic number, because the mean of its divisors is an integer number (94524957).

Almost surely, 2^1015041389 is an apocalyptic number.

1015041389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1015041389 is a deficient number, since it is larger than the sum of its proper divisors (119258095).

1015041389 is a wasteful number, since it uses less digits than its factorization.

1015041389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165452 (or 165433 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1015041389 is about 31859.7142014802. The cubic root of 1015041389 is about 1004.9888661588.

The spelling of 1015041389 in words is "one billion, fifteen million, forty-one thousand, three hundred eighty-nine".