1061144015 has 16 divisors (see below), whose sum is σ = 1352268000. Its totient is φ = 797110272.

The previous prime is 1061144011. The next prime is 1061144023. The reversal of 1061144015 is 5104411601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1061144015 - 2² = 1061144011 is a prime.

It is a super-2 number, since 2×1061144015² = 2252053241140640450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061144011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38690 + ... + 60159.

It is an arithmetic number, because the mean of its divisors is an integer number (84516750).

Almost surely, 2^1061144015 is an apocalyptic number.

1061144015 is a deficient number, since it is larger than the sum of its proper divisors (291123985).

1061144015 is a wasteful number, since it uses less digits than its factorization.

1061144015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98986.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1061144015 is about 32575.2055250615. The cubic root of 1061144015 is about 1019.9794994598.

Adding to 1061144015 its reverse (5104411601), we get a palindrome (6165555616).

The spelling of 1061144015 in words is "one billion, sixty-one million, one hundred forty-four thousand, fifteen".