72103119 has 16 divisors (see below), whose sum is σ = 110398080. Its totient is φ = 41398560.

The previous prime is 72103079. The next prime is 72103139. The reversal of 72103119 is 91130127.

It is not a de Polignac number, because 72103119 - 2¹³ = 72094927 is a prime.

It is a super-2 number, since 2×72103119² = 10397719539056322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72103139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56872 + ... + 58125.

It is an arithmetic number, because the mean of its divisors is an integer number (6899880).

Almost surely, 2^72103119 is an apocalyptic number.

72103119 is a deficient number, since it is larger than the sum of its proper divisors (38294961).

72103119 is a wasteful number, since it uses less digits than its factorization.

72103119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115030.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 72103119 is about 8491.3555454945. The cubic root of 72103119 is about 416.2152774290.

The spelling of 72103119 in words is "seventy-two million, one hundred three thousand, one hundred nineteen".