102019007 has 4 divisors (see below), whose sum is σ = 106454640. Its totient is φ = 97583376.

The previous prime is 102019003. The next prime is 102019019. The reversal of 102019007 is 700910201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700910201 = 47 ⋅14912983.

It is a cyclic number.

It is not a de Polignac number, because 102019007 - 2² = 102019003 is a prime.

It is a super-3 number, since 3×102019007³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102019007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102019003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217782 + ... + 2217827.

It is an arithmetic number, because the mean of its divisors is an integer number (26613660).

Almost surely, 2^102019007 is an apocalyptic number.

102019007 is a deficient number, since it is larger than the sum of its proper divisors (4435633).

102019007 is an equidigital number, since it uses as much as digits as its factorization.

102019007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435632.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 102019007 is about 10100.4458812470. The cubic root of 102019007 is about 467.2618929128.

Adding to 102019007 its reverse (700910201), we get a palindrome (802929208).

The spelling of 102019007 in words is "one hundred two million, nineteen thousand, seven".