1344120015 has 128 divisors (see below), whose sum is σ = 2644088832. Its totient is φ = 570286080.

The previous prime is 1344119923. The next prime is 1344120017. The reversal of 1344120015 is 5100214431.

It is not a de Polignac number, because 1344120015 - 2⁸ = 1344119759 is a prime.

It is a super-2 number, since 2×1344120015² = 3613317229447200450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1344119973 and 1344120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344120017) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9811027 + ... + 9811163.

It is an arithmetic number, because the mean of its divisors is an integer number (20656944).

Almost surely, 2^1344120015 is an apocalyptic number.

1344120015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1344120015 is a deficient number, since it is larger than the sum of its proper divisors (1299968817).

1344120015 is a wasteful number, since it uses less digits than its factorization.

1344120015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1344120015 is about 36662.2423618632. The cubic root of 1344120015 is about 1103.6025180157.

Adding to 1344120015 its reverse (5100214431), we get a palindrome (6444334446).

The spelling of 1344120015 in words is "one billion, three hundred forty-four million, one hundred twenty thousand, fifteen".