100412519 has 2 divisors, whose sum is σ = 100412520. Its totient is φ = 100412518.

The previous prime is 100412509. The next prime is 100412551. The reversal of 100412519 is 915214001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100412519 is a prime.

It is a super-3 number, since 3×100412519³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100412494 and 100412503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100412509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50206259 + 50206260.

It is an arithmetic number, because the mean of its divisors is an integer number (50206260).

Almost surely, 2^100412519 is an apocalyptic number.

100412519 is a deficient number, since it is larger than the sum of its proper divisors (1).

100412519 is an equidigital number, since it uses as much as digits as its factorization.

100412519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 100412519 is about 10020.6047222710. The cubic root of 100412519 is about 464.7962555972.

The spelling of 100412519 in words is "one hundred million, four hundred twelve thousand, five hundred nineteen".