1144123015 has 32 divisors (see below), whose sum is σ = 1600611840. Its totient is φ = 768873600.

The previous prime is 1144122977. The next prime is 1144123027. The reversal of 1144123015 is 5103214411.

It is not a de Polignac number, because 1144123015 - 2¹⁹ = 1143598727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705876 + ... + 707494.

It is an arithmetic number, because the mean of its divisors is an integer number (50019120).

Almost surely, 2^1144123015 is an apocalyptic number.

1144123015 is a deficient number, since it is larger than the sum of its proper divisors (456488825).

1144123015 is a wasteful number, since it uses less digits than its factorization.

1144123015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1144123015 is about 33824.8875090517. The cubic root of 1144123015 is about 1045.9017924778.

Adding to 1144123015 its reverse (5103214411), we get a palindrome (6247337426).

The spelling of 1144123015 in words is "one billion, one hundred forty-four million, one hundred twenty-three thousand, fifteen".