1020000102 has 32 divisors (see below), whose sum is σ = 2356366464. Its totient is φ = 290908800.

The previous prime is 1020000061. The next prime is 1020000103. The reversal of 1020000102 is 2010000201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020000103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453424 + ... + 455667.

It is an arithmetic number, because the mean of its divisors is an integer number (73636452).

Almost surely, 2^1020000102 is an apocalyptic number.

1020000102 is an abundant number, since it is smaller than the sum of its proper divisors (1336366362).

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

1020000102 is a wasteful number, since it uses less digits than its factorization.

1020000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909124.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1020000102 is about 31937.4404422145. The cubic root of 1020000102 is about 1006.6227431142.

Adding to 1020000102 its reverse (2010000201), we get a palindrome (3030000303).

Subtracting 1020000102 from its reverse (2010000201), we obtain a palindrome (990000099).

It can be divided in two parts, 1020000 and 102, that multiplied together give a square (104040000 = 10200²).

The spelling of 1020000102 in words is "one billion, twenty million, one hundred two", and thus it is an aban number.