102672019 has 2 divisors, whose sum is σ = 102672020. Its totient is φ = 102672018.

The previous prime is 102672001. The next prime is 102672041. The reversal of 102672019 is 910276201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102672019 - 2¹⁷ = 102540947 is a prime.

It is a super-4 number, since 4×102672019⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102672049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51336009 + 51336010.

It is an arithmetic number, because the mean of its divisors is an integer number (51336010).

Almost surely, 2^102672019 is an apocalyptic number.

102672019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102672019 is an equidigital number, since it uses as much as digits as its factorization.

102672019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 102672019 is about 10132.7202171974. The cubic root of 102672019 is about 468.2567366137.

The spelling of 102672019 in words is "one hundred two million, six hundred seventy-two thousand, nineteen".