102122746 has 32 divisors (see below), whose sum is σ = 175867200. Its totient is φ = 44042880.

The previous prime is 102122743. The next prime is 102122767. The reversal of 102122746 is 647221201.

It is a self number, because there is not a number n which added to its sum of digits gives 102122746.

It is not an unprimeable number, because it can be changed into a prime (102122743) 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, 36286 + ... + 38998.

It is an arithmetic number, because the mean of its divisors is an integer number (5495850).

Almost surely, 2^102122746 is an apocalyptic number.

102122746 is a deficient number, since it is larger than the sum of its proper divisors (73744454).

102122746 is a wasteful number, since it uses less digits than its factorization.

102122746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 102122746 is about 10105.5799437736. The cubic root of 102122746 is about 467.4202191634.

Adding to 102122746 its reverse (647221201), we get a palindrome (749343947).

The spelling of 102122746 in words is "one hundred two million, one hundred twenty-two thousand, seven hundred forty-six".