1059257890 has 16 divisors (see below), whose sum is σ = 1907301240. Its totient is φ = 423561600.

The previous prime is 1059257887. The next prime is 1059257897. The reversal of 1059257890 is 987529501.

It can be written as a sum of positive squares in 4 ways, for example, as 346741641 + 712516249 = 18621^2 + 26693^2 .

It is a super-2 number, since 2×1059257890² = 2244054555054504200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1059257890.

It is not an unprimeable number, because it can be changed into a prime (1059257897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16966 + ... + 49054.

Almost surely, 2^1059257890 is an apocalyptic number.

1059257890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1059257890 is a deficient number, since it is larger than the sum of its proper divisors (848043350).

1059257890 is a wasteful number, since it uses less digits than its factorization.

1059257890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35397.

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 1059257890 is about 32546.2423330252. The cubic root of 1059257890 is about 1019.3748219437.

The spelling of 1059257890 in words is "one billion, fifty-nine million, two hundred fifty-seven thousand, eight hundred ninety".