1051085290 has 16 divisors (see below), whose sum is σ = 1896726312. Its totient is φ = 419373504.

The previous prime is 1051085239. The next prime is 1051085297. The reversal of 1051085290 is 925801501.

It can be written as a sum of positive squares in 4 ways, for example, as 947839369 + 103245921 = 30787^2 + 10161^2 .

It is a super-2 number, since 2×1051085290² = 2209560573708768200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051085297) 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, 128409 + ... + 136348.

Almost surely, 2^1051085290 is an apocalyptic number.

1051085290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051085290 is a deficient number, since it is larger than the sum of its proper divisors (845641022).

1051085290 is a wasteful number, since it uses less digits than its factorization.

1051085290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265161.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 1051085290 is about 32420.4455552357. The cubic root of 1051085290 is about 1016.7464218838.

Adding to 1051085290 its reverse (925801501), we get a palindrome (1976886791).

The spelling of 1051085290 in words is "one billion, fifty-one million, eighty-five thousand, two hundred ninety".