1021650036 has 96 divisors (see below), whose sum is σ = 2654937600. Its totient is φ = 303177600.

The previous prime is 1021650011. The next prime is 1021650061. The reversal of 1021650036 is 6300561201.

1021650036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021650011) and next prime (1021650061).

It is a junction number, because it is equal to n+sod(n) for n = 1021649988 and 1021650015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2927190 + ... + 2927538.

It is an arithmetic number, because the mean of its divisors is an integer number (27655600).

Almost surely, 2^1021650036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021650036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327468800).

1021650036 is an abundant number, since it is smaller than the sum of its proper divisors (1633287564).

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

1021650036 is a wasteful number, since it uses less digits than its factorization.

1021650036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1021650036 is about 31963.2607222730. The cubic root of 1021650036 is about 1007.1652157287.

The spelling of 1021650036 in words is "one billion, twenty-one million, six hundred fifty thousand, thirty-six".