102036261 has 16 divisors (see below), whose sum is σ = 146029824. Its totient is φ = 63143424.

The previous prime is 102036247. The next prime is 102036271. The reversal of 102036261 is 162630201.

It is a happy number.

It is not a de Polignac number, because 102036261 - 2⁶ = 102036197 is a prime.

It is a super-2 number, since 2×102036261² = 20822797117720242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102036271) 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, 9981 + ... + 17426.

It is an arithmetic number, because the mean of its divisors is an integer number (9126864).

Almost surely, 2^102036261 is an apocalyptic number.

It is an amenable number.

102036261 is a deficient number, since it is larger than the sum of its proper divisors (43993563).

102036261 is a wasteful number, since it uses less digits than its factorization.

102036261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 102036261 is about 10101.2999658460. The cubic root of 102036261 is about 467.2882333713.

Adding to 102036261 its reverse (162630201), we get a palindrome (264666462).

The spelling of 102036261 in words is "one hundred two million, thirty-six thousand, two hundred sixty-one".