1019728952 has 48 divisors (see below), whose sum is σ = 2225270880. Its totient is φ = 436240640.

The previous prime is 1019728937. The next prime is 1019728987. The reversal of 1019728952 is 2598279101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14528 + ... + 47439.

It is an arithmetic number, because the mean of its divisors is an integer number (46359810).

Almost surely, 2^1019728952 is an apocalyptic number.

It is an amenable number.

1019728952 is an abundant number, since it is smaller than the sum of its proper divisors (1205541928).

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

1019728952 is a wasteful number, since it uses less digits than its factorization.

1019728952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62012 (or 61997 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1019728952 is about 31933.1951423593. The cubic root of 1019728952 is about 1006.5335372583.

The spelling of 1019728952 in words is "one billion, nineteen million, seven hundred twenty-eight thousand, nine hundred fifty-two".