1065126520 has 64 divisors (see below), whose sum is σ = 2479276800. Its totient is φ = 411402240.

The previous prime is 1065126509. The next prime is 1065126541. The reversal of 1065126520 is 256215601.

It is a super-2 number, since 2×1065126520² = 2268989007214620800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953002 + ... + 954118.

It is an arithmetic number, because the mean of its divisors is an integer number (38738700).

Almost surely, 2^1065126520 is an apocalyptic number.

1065126520 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 1065126520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239638400).

1065126520 is an abundant number, since it is smaller than the sum of its proper divisors (1414150280).

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

1065126520 is a wasteful number, since it uses less digits than its factorization.

1065126520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1065126520 is about 32636.2761356133. The cubic root of 1065126520 is about 1021.2539109359.

The spelling of 1065126520 in words is "one billion, sixty-five million, one hundred twenty-six thousand, five hundred twenty".