611172242 has 8 divisors (see below), whose sum is σ = 917723196. Its totient is φ = 305264512.

The previous prime is 611172239. The next prime is 611172257. The reversal of 611172242 is 242271116.

It can be written as a sum of positive squares in 2 ways, for example, as 605701321 + 5470921 = 24611^2 + 2339^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 158423 + ... + 162234.

Almost surely, 2^611172242 is an apocalyptic number.

611172242 is a deficient number, since it is larger than the sum of its proper divisors (306550954).

611172242 is a wasteful number, since it uses less digits than its factorization.

611172242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321612.

The product of its digits is 1344, while the sum is 26.

The square root of 611172242 is about 24721.8980258394. The cubic root of 611172242 is about 848.6355233954.

The spelling of 611172242 in words is "six hundred eleven million, one hundred seventy-two thousand, two hundred forty-two".