1105717642 has 4 divisors (see below), whose sum is σ = 1658576466. Its totient is φ = 552858820.

The previous prime is 1105717637. The next prime is 1105717667. The reversal of 1105717642 is 2467175011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2467175011 = 7 ⋅352453573.

It can be written as a sum of positive squares in only one way, i.e., 902341521 + 203376121 = 30039^2 + 14261^2 .

It is a super-2 number, since 2×1105717642² = 2445223007660080328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105717598 and 1105717607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276429409 + ... + 276429412.

Almost surely, 2^1105717642 is an apocalyptic number.

1105717642 is a deficient number, since it is larger than the sum of its proper divisors (552858824).

1105717642 is an equidigital number, since it uses as much as digits as its factorization.

1105717642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552858823.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 1105717642 is about 33252.3328805664. The cubic root of 1105717642 is about 1034.0655734247.

The spelling of 1105717642 in words is "one billion, one hundred five million, seven hundred seventeen thousand, six hundred forty-two".