1021107852 has 36 divisors (see below), whose sum is σ = 2585373336. Its totient is φ = 339810240.

The previous prime is 1021107851. The next prime is 1021107863. The reversal of 1021107852 is 2587011201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1021107852² = 2085322490832107808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021107851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774 + ... + 45197.

It is an arithmetic number, because the mean of its divisors is an integer number (71815926).

Almost surely, 2^1021107852 is an apocalyptic number.

1021107852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021107852 is an abundant number, since it is smaller than the sum of its proper divisors (1564265484).

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

1021107852 is a wasteful number, since it uses less digits than its factorization.

1021107852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46598 (or 46593 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 1021107852 is about 31954.7782342485. The cubic root of 1021107852 is about 1006.9870185402.

The spelling of 1021107852 in words is "one billion, twenty-one million, one hundred seven thousand, eight hundred fifty-two".