103201019 has 4 divisors (see below), whose sum is σ = 103248696. Its totient is φ = 103153344.

The previous prime is 103201009. The next prime is 103201031. The reversal of 103201019 is 910102301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103201019 - 2⁴ = 103201003 is a prime.

It is a super-2 number, since 2×103201019² = 21300900645276722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103200988 and 103201006.

It is not an unprimeable number, because it can be changed into a prime (103201009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20429 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (25812174).

Almost surely, 2^103201019 is an apocalyptic number.

103201019 is a deficient number, since it is larger than the sum of its proper divisors (47677).

103201019 is an equidigital number, since it uses as much as digits as its factorization.

103201019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47676.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 103201019 is about 10158.7902330937. The cubic root of 103201019 is about 469.0595636014.

The spelling of 103201019 in words is "one hundred three million, two hundred one thousand, nineteen".