101802249 has 6 divisors (see below), whose sum is σ = 147047706. Its totient is φ = 67868160.

The previous prime is 101802203. The next prime is 101802251. The reversal of 101802249 is 942208101.

It can be written as a sum of positive squares in only one way, i.e., 79334649 + 22467600 = 8907^2 + 4740^2 .

It is not a de Polignac number, because 101802249 - 2¹¹ = 101800201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101802049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5655672 + ... + 5655689.

It is an arithmetic number, because the mean of its divisors is an integer number (24507951).

Almost surely, 2^101802249 is an apocalyptic number.

It is an amenable number.

101802249 is a deficient number, since it is larger than the sum of its proper divisors (45245457).

101802249 is a wasteful number, since it uses less digits than its factorization.

101802249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311367 (or 11311364 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 101802249 is about 10089.7100552989. The cubic root of 101802249 is about 466.9307305396.

The spelling of 101802249 in words is "one hundred one million, eight hundred two thousand, two hundred forty-nine".