102261132626 has 4 divisors (see below), whose sum is σ = 153391698942. Its totient is φ = 51130566312.

The previous prime is 102261132619. The next prime is 102261132667. The reversal of 102261132626 is 626231162201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99035460601 + 3225672025 = 314699^2 + 56795^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102261132592 and 102261132601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25565283155 + ... + 25565283158.

Almost surely, 2^102261132626 is an apocalyptic number.

102261132626 is a deficient number, since it is larger than the sum of its proper divisors (51130566316).

102261132626 is an equidigital number, since it uses as much as digits as its factorization.

102261132626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51130566315.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 102261132626 its reverse (626231162201), we get a palindrome (728492294827).

The spelling of 102261132626 in words is "one hundred two billion, two hundred sixty-one million, one hundred thirty-two thousand, six hundred twenty-six".