112621519 has 2 divisors, whose sum is σ = 112621520. Its totient is φ = 112621518.

The previous prime is 112621517. The next prime is 112621567. The reversal of 112621519 is 915126211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112621519 - 2¹ = 112621517 is a prime.

It is a super-2 number, since 2×112621519² = 25367213083734722, which contains 22 as substring.

Together with 112621517, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112621517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56310759 + 56310760.

It is an arithmetic number, because the mean of its divisors is an integer number (56310760).

Almost surely, 2^112621519 is an apocalyptic number.

112621519 is a deficient number, since it is larger than the sum of its proper divisors (1).

112621519 is an equidigital number, since it uses as much as digits as its factorization.

112621519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 28.

The square root of 112621519 is about 10612.3286323031. The cubic root of 112621519 is about 482.9184450230.

The spelling of 112621519 in words is "one hundred twelve million, six hundred twenty-one thousand, five hundred nineteen".