123291074 has 16 divisors (see below), whose sum is σ = 189495936. Its totient is φ = 60144000.

The previous prime is 123291053. The next prime is 123291107. The reversal of 123291074 is 470192321.

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 7 ways as a sum of consecutive naturals, for example, 9299 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (11843496).

Almost surely, 2^123291074 is an apocalyptic number.

123291074 is a deficient number, since it is larger than the sum of its proper divisors (66204862).

123291074 is an equidigital number, since it uses as much as digits as its factorization.

123291074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 123291074 is about 11103.6513814150. The cubic root of 123291074 is about 497.7109686627.

The spelling of 123291074 in words is "one hundred twenty-three million, two hundred ninety-one thousand, seventy-four".