1051636 has 6 divisors (see below), whose sum is σ = 1840370. Its totient is φ = 525816.

The previous prime is 1051621. The next prime is 1051639. The reversal of 1051636 is 6361501.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 11236 = 1020^2 + 106^2 .

It is a super-2 number, since 2×1051636² = 2211876552992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131451 + ... + 131458.

2^1051636 is an apocalyptic number.

It is an amenable number.

1051636 is a deficient number, since it is larger than the sum of its proper divisors (788734).

1051636 is a wasteful number, since it uses less digits than its factorization.

1051636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262913 (or 262911 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1051636 is about 1025.4930521461. The cubic root of 1051636 is about 101.6923963664.

The spelling of 1051636 in words is "one million, fifty-one thousand, six hundred thirty-six".