1051505012 has 24 divisors (see below), whose sum is σ = 1950366600. Its totient is φ = 494320640.

The previous prime is 1051504999. The next prime is 1051505051. The reversal of 1051505012 is 2105051501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 825183076 + 226321936 = 28726^2 + 15044^2 .

It is a super-2 number, since 2×1051505012² = 2211325580522240288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 63962 + ... + 78702.

It is an arithmetic number, because the mean of its divisors is an integer number (81265275).

Almost surely, 2^1051505012 is an apocalyptic number.

It is an amenable number.

1051505012 is a deficient number, since it is larger than the sum of its proper divisors (898861588).

1051505012 is a wasteful number, since it uses less digits than its factorization.

1051505012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15811 (or 15809 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 1051505012 is about 32426.9180157473. The cubic root of 1051505012 is about 1016.8817404460.

Adding to 1051505012 its reverse (2105051501), we get a palindrome (3156556513).

The spelling of 1051505012 in words is "one billion, fifty-one million, five hundred five thousand, twelve".