102622642 has 16 divisors (see below), whose sum is σ = 170076672. Its totient is φ = 46192960.

The previous prime is 102622633. The next prime is 102622643. The reversal of 102622642 is 246226201.

It is not an unprimeable number, because it can be changed into a prime (102622643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64834 + ... + 66397.

It is an arithmetic number, because the mean of its divisors is an integer number (10629792).

Almost surely, 2^102622642 is an apocalyptic number.

102622642 is a deficient number, since it is larger than the sum of its proper divisors (67454030).

102622642 is a wasteful number, since it uses less digits than its factorization.

102622642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131273.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 102622642 is about 10130.2834116327. The cubic root of 102622642 is about 468.1816599422.

Adding to 102622642 its reverse (246226201), we get a palindrome (348848843).

The spelling of 102622642 in words is "one hundred two million, six hundred twenty-two thousand, six hundred forty-two".