102620104 has 8 divisors (see below), whose sum is σ = 192412710. Its totient is φ = 51310048.

The previous prime is 102620101. The next prime is 102620107. The reversal of 102620104 is 401026201.

It is an interprime number because it is at equal distance from previous prime (102620101) and next prime (102620107).

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 3617604 = 9950^2 + 1902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102620101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6413749 + ... + 6413764.

Almost surely, 2^102620104 is an apocalyptic number.

It is an amenable number.

102620104 is a deficient number, since it is larger than the sum of its proper divisors (89792606).

102620104 is a wasteful number, since it uses less digits than its factorization.

102620104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827519 (or 12827515 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 102620104 is about 10130.1581428919. The cubic root of 102620104 is about 468.1778003169.

Adding to 102620104 its reverse (401026201), we get a palindrome (503646305).

The spelling of 102620104 in words is "one hundred two million, six hundred twenty thousand, one hundred four".