1056505426 has 16 divisors (see below), whose sum is σ = 1678704480. Its totient is φ = 496964160.

The previous prime is 1056505397. The next prime is 1056505427. The reversal of 1056505426 is 6245056501.

It is a super-2 number, since 2×1056505426² = 2232407430334882952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1056505391 and 1056505400.

It is not an unprimeable number, because it can be changed into a prime (1056505427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95785 + ... + 106243.

It is an arithmetic number, because the mean of its divisors is an integer number (104919030).

Almost surely, 2^1056505426 is an apocalyptic number.

1056505426 is a deficient number, since it is larger than the sum of its proper divisors (622199054).

1056505426 is a wasteful number, since it uses less digits than its factorization.

1056505426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1056505426 is about 32503.9293932288. The cubic root of 1056505426 is about 1018.4911132299.

The spelling of 1056505426 in words is "one billion, fifty-six million, five hundred five thousand, four hundred twenty-six".