1012516145 has 8 divisors (see below), whose sum is σ = 1217243904. Its totient is φ = 808529904.

The previous prime is 1012516139. The next prime is 1012516147. The reversal of 1012516145 is 5416152101.

1012516145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1012516145 - 2⁴ = 1012516129 is a prime.

It is a super-2 number, since 2×1012516145² = 2050377887771322050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012516147) 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, 182369 + ... + 187838.

It is an arithmetic number, because the mean of its divisors is an integer number (152155488).

Almost surely, 2^1012516145 is an apocalyptic number.

It is an amenable number.

1012516145 is a deficient number, since it is larger than the sum of its proper divisors (204727759).

1012516145 is an equidigital number, since it uses as much as digits as its factorization.

1012516145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370759.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1012516145 is about 31820.0588465829. The cubic root of 1012516145 is about 1004.1547623764.

Adding to 1012516145 its reverse (5416152101), we get a palindrome (6428668246).

The spelling of 1012516145 in words is "one billion, twelve million, five hundred sixteen thousand, one hundred forty-five".