102437947 has 16 divisors (see below), whose sum is σ = 108072000. Its totient is φ = 96969600.

The previous prime is 102437899. The next prime is 102437969. The reversal of 102437947 is 749734201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102437947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102437977) 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 in 15 ways as a sum of consecutive naturals, for example, 652393 + ... + 652549.

It is an arithmetic number, because the mean of its divisors is an integer number (6754500).

Almost surely, 2^102437947 is an apocalyptic number.

102437947 is a deficient number, since it is larger than the sum of its proper divisors (5634053).

102437947 is a wasteful number, since it uses less digits than its factorization.

102437947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

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

The square root of 102437947 is about 10121.1633224645. The cubic root of 102437947 is about 467.9006214463.

The spelling of 102437947 in words is "one hundred two million, four hundred thirty-seven thousand, nine hundred forty-seven".