102631046 has 16 divisors (see below), whose sum is σ = 185199360. Its totient is φ = 41669640.

The previous prime is 102631043. The next prime is 102631079. The reversal of 102631046 is 640136201.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102631043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192650 + ... + 193181.

It is an arithmetic number, because the mean of its divisors is an integer number (11574960).

Almost surely, 2^102631046 is an apocalyptic number.

102631046 is a deficient number, since it is larger than the sum of its proper divisors (82568314).

102631046 is a wasteful number, since it uses less digits than its factorization.

102631046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385859.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 102631046 is about 10130.6981990384. The cubic root of 102631046 is about 468.1944397446.

Adding to 102631046 its reverse (640136201), we get a palindrome (742767247).

The spelling of 102631046 in words is "one hundred two million, six hundred thirty-one thousand, forty-six".