107191442 has 8 divisors (see below), whose sum is σ = 165132876. Its totient is φ = 52147152.

The previous prime is 107191439. The next prime is 107191451. The reversal of 107191442 is 244191701.

It can be written as a sum of positive squares in 2 ways, for example, as 101626561 + 5564881 = 10081^2 + 2359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×107191442² = 22980010476078728, which contains 22 as substring.

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, 724193 + ... + 724340.

Almost surely, 2^107191442 is an apocalyptic number.

107191442 is a deficient number, since it is larger than the sum of its proper divisors (57941434).

107191442 is a wasteful number, since it uses less digits than its factorization.

107191442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448572.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 107191442 is about 10353.3299957067. The cubic root of 107191442 is about 475.0289060895.

The spelling of 107191442 in words is "one hundred seven million, one hundred ninety-one thousand, four hundred forty-two".