101026602 has 20 divisors (see below), whose sum is σ = 226374786. Its totient is φ = 33675480.

The previous prime is 101026571. The next prime is 101026643. The reversal of 101026602 is 206620101.

It is a happy number.

101026602 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 2 + 660 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61449921 + 39576681 = 7839^2 + 6291^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 311649 + ... + 311972.

Almost surely, 2^101026602 is an apocalyptic number.

101026602 is an abundant number, since it is smaller than the sum of its proper divisors (125348184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101026602 is an equidigital number, since it uses as much as digits as its factorization.

101026602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623635 (or 623626 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 101026602 is about 10051.1990329512. The cubic root of 101026602 is about 465.7418335830.

Adding to 101026602 its reverse (206620101), we get a palindrome (307646703).

The spelling of 101026602 in words is "one hundred one million, twenty-six thousand, six hundred two".