719042122 has 4 divisors (see below), whose sum is σ = 1078563186. Its totient is φ = 359521060.

The previous prime is 719042119. The next prime is 719042131. The reversal of 719042122 is 221240917.

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., 431434441 + 287607681 = 20771^2 + 16959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179760529 + ... + 179760532.

Almost surely, 2^719042122 is an apocalyptic number.

719042122 is a deficient number, since it is larger than the sum of its proper divisors (359521064).

719042122 is a wasteful number, since it uses less digits than its factorization.

719042122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359521063.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 719042122 is about 26814.9607868443. The cubic root of 719042122 is about 895.8833063442.

The spelling of 719042122 in words is "seven hundred nineteen million, forty-two thousand, one hundred twenty-two".