1019101952 has 72 divisors (see below), whose sum is σ = 2279362512. Its totient is φ = 450662400.

The previous prime is 1019101949. The next prime is 1019101981. The reversal of 1019101952 is 2591019101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99302 + ... + 109082.

Almost surely, 2^1019101952 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 1019101952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139681256).

1019101952 is an abundant number, since it is smaller than the sum of its proper divisors (1260260560).

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

1019101952 is an equidigital number, since it uses as much as digits as its factorization.

1019101952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845 (or 9831 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 29.

The square root of 1019101952 is about 31923.3762625447. The cubic root of 1019101952 is about 1006.3271994473.

The spelling of 1019101952 in words is "one billion, nineteen million, one hundred one thousand, nine hundred fifty-two".