1051656212 has 12 divisors (see below), whose sum is σ = 1846280436. Its totient is φ = 524147520.

The previous prime is 1051656197. The next prime is 1051656247. The reversal of 1051656212 is 2126561501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 442849936 + 608806276 = 21044^2 + 24674^2 .

It is a super-2 number, since 2×1051656212² = 2211961576476377888, 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418739 + ... + 421242.

It is an arithmetic number, because the mean of its divisors is an integer number (153856703).

Almost surely, 2^1051656212 is an apocalyptic number.

It is an amenable number.

1051656212 is a deficient number, since it is larger than the sum of its proper divisors (794624224).

1051656212 is a wasteful number, since it uses less digits than its factorization.

1051656212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840298 (or 840296 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1051656212 is about 32429.2493283455. The cubic root of 1051656212 is about 1016.9304785716.

The spelling of 1051656212 in words is "one billion, fifty-one million, six hundred fifty-six thousand, two hundred twelve".