106903642 has 4 divisors (see below), whose sum is σ = 160355466. Its totient is φ = 53451820.

The previous prime is 106903637. The next prime is 106903651. The reversal of 106903642 is 246309601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 44635761 = 7891^2 + 6681^2 .

It is a super-2 number, since 2×106903642² = 22856777345728328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725909 + ... + 26725912.

Almost surely, 2^106903642 is an apocalyptic number.

106903642 is a deficient number, since it is larger than the sum of its proper divisors (53451824).

106903642 is an equidigital number, since it uses as much as digits as its factorization.

106903642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53451823.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 106903642 is about 10339.4217439855. The cubic root of 106903642 is about 474.6033874907.

The spelling of 106903642 in words is "one hundred six million, nine hundred three thousand, six hundred forty-two".