101802049 has 2 divisors, whose sum is σ = 101802050. Its totient is φ = 101802048.

The previous prime is 101802017. The next prime is 101802061. The reversal of 101802049 is 940208101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62964225 + 38837824 = 7935^2 + 6232^2 .

It is a cyclic number.

It is not a de Polignac number, because 101802049 - 2⁵ = 101802017 is a prime.

It is not a weakly prime, because it can be changed into another prime (101803049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50901024 + 50901025.

It is an arithmetic number, because the mean of its divisors is an integer number (50901025).

Almost surely, 2^101802049 is an apocalyptic number.

It is an amenable number.

101802049 is a deficient number, since it is larger than the sum of its proper divisors (1).

101802049 is an equidigital number, since it uses as much as digits as its factorization.

101802049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 101802049 is about 10089.7001442065. The cubic root of 101802049 is about 466.9304247631.

The spelling of 101802049 in words is "one hundred one million, eight hundred two thousand, forty-nine".