1042751920 has 160 divisors (see below), whose sum is σ = 3044090880. Its totient is φ = 323896320.

The previous prime is 1042751911. The next prime is 1042751947. The reversal of 1042751920 is 291572401.

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, 242590 + ... + 246850.

It is an arithmetic number, because the mean of its divisors is an integer number (19025568).

Almost surely, 2^1042751920 is an apocalyptic number.

1042751920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042751920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522045440).

1042751920 is an abundant number, since it is smaller than the sum of its proper divisors (2001338960).

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

1042751920 is a wasteful number, since it uses less digits than its factorization.

1042751920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1042751920 is about 32291.6695139784. The cubic root of 1042751920 is about 1014.0522493426.

The spelling of 1042751920 in words is "one billion, forty-two million, seven hundred fifty-one thousand, nine hundred twenty".