102437479 has 2 divisors, whose sum is σ = 102437480. Its totient is φ = 102437478.

The previous prime is 102437477. The next prime is 102437507. The reversal of 102437479 is 974734201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102437479 - 2¹ = 102437477 is a prime.

Together with 102437477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102437477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51218739 + 51218740.

It is an arithmetic number, because the mean of its divisors is an integer number (51218740).

Almost surely, 2^102437479 is an apocalyptic number.

102437479 is a deficient number, since it is larger than the sum of its proper divisors (1).

102437479 is an equidigital number, since it uses as much as digits as its factorization.

102437479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 102437479 is about 10121.1402025661. The cubic root of 102437479 is about 467.8999088919.

It can be divided in two parts, 1024 and 37479, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 102437479 in words is "one hundred two million, four hundred thirty-seven thousand, four hundred seventy-nine".