1242320174 has 4 divisors (see below), whose sum is σ = 1863480264. Its totient is φ = 621160086.

The previous prime is 1242320173. The next prime is 1242320201. The reversal of 1242320174 is 4710232421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4710232421 = 173 ⋅27226777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242320173) by changing a digit.

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 as a sum of consecutive naturals, namely, 310580042 + ... + 310580045.

It is an arithmetic number, because the mean of its divisors is an integer number (465870066).

Almost surely, 2^1242320174 is an apocalyptic number.

1242320174 is a deficient number, since it is larger than the sum of its proper divisors (621160090).

1242320174 is an equidigital number, since it uses as much as digits as its factorization.

1242320174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621160089.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1242320174 is about 35246.5625841727. The cubic root of 1242320174 is about 1075.0067204195.

Adding to 1242320174 its reverse (4710232421), we get a palindrome (5952552595).

The spelling of 1242320174 in words is "one billion, two hundred forty-two million, three hundred twenty thousand, one hundred seventy-four".