102043947 has 16 divisors (see below), whose sum is σ = 137883680. Its totient is φ = 67122432.

The previous prime is 102043943. The next prime is 102043967. The reversal of 102043947 is 749340201.

It is a happy number.

It is not a de Polignac number, because 102043947 - 2² = 102043943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102043943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101853 + ... + 102849.

It is an arithmetic number, because the mean of its divisors is an integer number (8617730).

Almost surely, 2^102043947 is an apocalyptic number.

102043947 is a deficient number, since it is larger than the sum of its proper divisors (35839733).

102043947 is a wasteful number, since it uses less digits than its factorization.

102043947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 102043947 is about 10101.6804047643. The cubic root of 102043947 is about 467.2999660865.

The spelling of 102043947 in words is "one hundred two million, forty-three thousand, nine hundred forty-seven".