102072851 has 2 divisors, whose sum is σ = 102072852. Its totient is φ = 102072850.

The previous prime is 102072847. The next prime is 102072877. The reversal of 102072851 is 158270201.

It is an a-pointer prime, because the next prime (102072877) can be obtained adding 102072851 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102072851 - 2² = 102072847 is a prime.

It is a super-2 number, since 2×102072851² = 20837733822536402, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102072851.

It is not a weakly prime, because it can be changed into another prime (102072251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51036425 + 51036426.

It is an arithmetic number, because the mean of its divisors is an integer number (51036426).

Almost surely, 2^102072851 is an apocalyptic number.

102072851 is a deficient number, since it is larger than the sum of its proper divisors (1).

102072851 is an equidigital number, since it uses as much as digits as its factorization.

102072851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 102072851 is about 10103.1109565322. The cubic root of 102072851 is about 467.3440829059.

The spelling of 102072851 in words is "one hundred two million, seventy-two thousand, eight hundred fifty-one".