122120494 has 4 divisors (see below), whose sum is σ = 183180744. Its totient is φ = 61060246.

The previous prime is 122120477. The next prime is 122120521. The reversal of 122120494 is 494021221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530122 + ... + 30530125.

It is an arithmetic number, because the mean of its divisors is an integer number (45795186).

Almost surely, 2^122120494 is an apocalyptic number.

122120494 is a deficient number, since it is larger than the sum of its proper divisors (61060250).

122120494 is an equidigital number, since it uses as much as digits as its factorization.

122120494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61060249.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 122120494 is about 11050.8141781500. The cubic root of 122120494 is about 496.1307943959.

The spelling of 122120494 in words is "one hundred twenty-two million, one hundred twenty thousand, four hundred ninety-four".