1051441920 has 216 divisors, whose sum is σ = 3676183056. Its totient is φ = 277438464.

The previous prime is 1051441901. The next prime is 1051441939. The reversal of 1051441920 is 291441501.

It is an interprime number because it is at equal distance from previous prime (1051441901) and next prime (1051441939).

It is a super-2 number, since 2×1051441920² = 2211060222266572800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1232214 + ... + 1233066.

It is an arithmetic number, because the mean of its divisors is an integer number (17019366).

Almost surely, 2^1051441920 is an apocalyptic number.

1051441920 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 1051441920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1838091528).

1051441920 is an abundant number, since it is smaller than the sum of its proper divisors (2624741136).

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

1051441920 is a wasteful number, since it uses less digits than its factorization.

1051441920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1051441920 is about 32425.9451674119. The cubic root of 1051441920 is about 1016.8614018566.

The spelling of 1051441920 in words is "one billion, fifty-one million, four hundred forty-one thousand, nine hundred twenty".